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Besides water, no beverage is consumed by more individuals across the globe than tea. For millennia, this beloved drink has been favored by many cultures, from those in China who first cultivated tea to modern customers in quaint cafés. Here are seven refreshing facts about tea for those who want a dash of history and culture with their drink.

Close-up of various tea bags.
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Tea Bags Were Popularized by Accident

Before individual tea bags came into wide use, it was more common to make an entire pot of tea at once by pouring hot water over tea leaves and then using a strainer. In 1901, Wisconsin inventors Roberta C. Lawson and Mary Molaren filed a patent for a “tea leaf holder,” a concept that resembles the tea bags we use today. It wasn’t until about seven years later, however, that another individual inadvertently helped popularize the concept of tea bags — at least according to legend. Around 1908, American tea importer Thomas Sullivan reportedly sent samples of tea inside small silken bags to his customers. His clients failed to remove the tea leaves from the bags as Sullivan assumed they would, and soon Sullivan realized that he’d stumbled onto an exciting new concept for tea brewing. He later reimagined the bags using gauze, and eventually paper.

Tea bags were booming in popularity throughout the United States by the 1920s, but it took a while for residents of the United Kingdom to adopt the concept. In fact, tea bags wouldn’t make their way to the U.K. until 1952, when Lipton patented its “flo-thru” bag, but even then the British weren’t keen to change their tea-brewing ways. By 1968, only 3% of tea brewed in the U.K. was done so using tea bags, with that number rising to 12.5% in 1971. By the end of the 20th century, however, 96% of U.K. tea was brewed with bags.

The Union Jack flag with a cup of tea served with a shortbread biscuit.
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The British Have Their Own Official Standard for the Perfect Cup of Tea

The British are serious about tea. So much so that British Standards — a national body that produces technical specifications for products and services — released an edict in 1980 on the official British guidelines for making the perfect cup of tea. Though some may disagree with the standard, the rules include the following: Use a porcelain pot and a ratio of two grams of tea per every 100 ml of water, brew for six minutes, maintain a temperature of 60 to 85 degrees Celsius (140 to 185 degrees Fahrenheit) when serving the tea, and add milk to the mug first if using tea that’s already been steeped.

Bags of dried herbs.
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Herbal Tea Isn’t Actually Tea

This may be a shocking revelation, but herbal “teas” like chamomile and peppermint aren’t officially teas at all. In order for a drink to be classified as tea, it must come from the Camellia sinensis plant, from which many white, green, oolong, and black teas do. Herbal teas, however, are known as tisanes, or more plainly infusions that incorporate various leaves, fruits, barks, roots, flowers, and other edible non-tea plants. So while the experience of drinking a minty tea may be indecipherable from drinking a warm cup of green tea, the two beverages fall into completely different categories from a scientific gastronomic perspective.

Teabag in hot water.
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The World’s Largest Tea Bag Was 551 Pounds

Saudi Arabia is the site of at least two notable tea records. On September 20, 2014, in Jeddah, Saudi Arabia, the owner of a company called Rabea Tea unveiled a record-setting tea bag weighing 551 pounds and 2.56 ounces, earning it the distinction of being world’s largest tea bag. Eight years later, also in Saudi Arabia, a company called Triple Nine Tea set the record for brewing the largest cup of hot tea — 11,604.28 gallons.

When it comes to the largest cup of iced tea, however, the achievement is proudly held in the American South. On June 10, 2016, the residents of Summerville, South Carolina, banded together to create the biggest jug of sweet tea ever made (2,524 gallons), using 210 pounds of loose leaf tea, 1,700 pounds of sugar, and over 300 pounds of ice.

Vintage illustration features the Boston Tea Party.
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Besides Boston, Several Other U.S. Cities Held “Tea Parties”

While most Americans are familiar with the Boston Tea Party — in which colonists dumped chests of British East India Company tea into Boston Harbor as a protest against “taxation without representation” — fewer are aware that many similar events took place along the Eastern Seaboard in the months that followed. Just nine days after the protest in Boston, the Philadelphia Tea Party occurred on December 25, 1773. Although no tea was destroyed as in the Boston protest, a ship carrying a large cargo of tea was refused on its way to Philadelphia, and the captain — under the threat of being tarred and feathered — returned both ship and cargo to England.  

The following year saw even more “tea parties,” including the Charleston Tea Party in November 1774, in which the captain of a tea-toting ship feigned ignorance about his cargo but was ultimately forced to dump the ship’s contents into the harbor. Additional protests took place in New York; Annapolis, Maryland; Wilmington, North Carolina; Greenwich, New Jersey; and other American cities. Though none went down in history to the degree of the Boston Tea Party, they were all critical acts of rebellion — against taxation and ultimately British rule — that contributed to the start of the American Revolutionary War.

Traditional Turkish tea in Istanbul at the shores of the Bosphorus.
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Turkey Consumes the Most Tea per Capita of Any Country

Though no country consumes more tea than China overall – 1.6 billion pounds each year — there are several other nations whose tea-drinking numbers are even more staggering when broken down per capita. At the top of that list is Turkey, as each tea-loving Turk consumes around seven pounds of tea annually, compared to just 1.25 pounds per Chinese citizen (as of 2014).

Turkish individuals are particularly fond of black tea, and they average three to five cups per day, which comes out to a staggering 1,300 cups per year, give or take. Though they’ve already set the record, tea drinking was also on the rise in Turkey during the COVID-19 pandemic. The Turks are so proud of tea as a foundation of their culture that in 2020, the country petitioned UNESCO to add Turkish tea to the organization’s Intangible Cultural Heritage List. After Turkey, Ireland finishes second on the list of tea-drinking countries per capita, with the United Kingdom coming in third.

Iced tea with a layer of cream cheese on top.
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Though the combination of cheese and tea may sound somewhat incompatible, it’s a beloved and delicious beverage that has grown in popularity throughout Asia over the last decade or so. Cheese tea is made as a cold beverage using green or black tea, and is topped with a layer of milk and cheese that’s then sprinkled with salt. The drink is a relatively new invention, having originated around 2010 at nighttime drink stalls on the streets of Taiwan, though it’s since boomed in popularity throughout Hong Kong, Singapore, Malaysia, Japan, and China.

Asia isn’t alone, however, when it comes to incorporating cheese into their caffeinated beverages. Though it’s not tea, a Scandinavian coffee drink called Kaffeost features cubes of dried cheese soaking up the liquid inside a mug of hot coffee. And in Colombia, locals add savory globs of melted cheese to a regional hot chocolate known as chocolate santafereño.

Bennett Kleinman
Staff Writer

Bennett Kleinman is a New York City-based staff writer for Optimism Media, and previously contributed to television programs such as "Late Show With David Letterman" and "Impractical Jokers." Bennett is also a devoted New York Yankees and New Jersey Devils fan, and thinks plain seltzer is the best drink ever invented.

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“That we are not much sicker and much madder than we are is due exclusively to that most blessed and blessing of all natural graces, sleep,” the British writer Aldous Huxley once observed.

Huxley, who died in 1963, had no idea what temptations would get in the way of our sleep in the digital age. About 35% of American adults get less than seven hours of sleep a night, according to the Centers for Disease Control (CDC), which isn’t enough. Often we either can’t get to sleep, or we think of sleep as wasted time. What actually goes on while we’re lying there? Why are we designed to do nothing for a third of our lifetimes?

The answer is that our bodies are doing necessary work to keep us going when we’re awake. Scientists still have plenty to learn about how, but what we do know is absolutely fascinating. From academic studies to cultural practices, these 12 interesting facts certainly won’t put you to sleep.

Student is checking massages on her phone while studying late at night.
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There’s Science Behind Being a “Night Owl”

Night owls have a reputation for being lazy, but many of them might just have drastically different internal clocks than early birds and others. We all have a biological timer called a circadian rhythm that controls, among other things, when we feel awake and when we feel sleepy. It can change at different points in our lives, too.

While the vast majority of people are somewhere in the middle, around 30% of people are early-morning or late-night people. It’s not that early birds are more productive or that night owls are lazy; they’re just literally on a different biological schedule. Trying to force either one to conform to a standard human schedule could even have health consequences as a result of chronic sleepiness — although your boss might not accept that as an excuse for coming in late.

Model of a female womb with a fetus.
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Babies Sleep in the Womb

It’s normal for pregnant people to feel punches and kicks as the fetus growing inside them grows bigger, but what are babies doing when they’re not kickboxing? Because growing brains and bodies is hard work, the vast majority of their time — up to 95% of it, even close to term — is spent sleeping.

Babies tend to sleep a lot during the day and be most active in the evening, disturbing plenty of expectant parents just as they’re trying to go to sleep themselves. This could be due to their unique circadian rhythms, or because movement during the day lulls them to sleep. Newborns sleep between 14 and 17 of every 24 hours, although rarely more than a few hours in a row.

Man snoring loudly in his bed while sleeping.
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Snoring Can Be a Sign of Sleep Apnea

Snoring happens when something blocks or narrows an airway while you’re sleeping, causing vibrations in your throat muscles. Sometimes it’s caused by a sinus infection, a polyp, a cold, or sleep position. It can be relatively benign, but it could also be a sign of obstructive sleep apnea, a condition where people stop breathing periodically while asleep. This type of apnea is caused by the muscles in the back of the throat relaxing so much that they block your airway. Let your doctor know if you snore, especially if you’re usually sleepy during the day.

Women are using the smart phone on the bed.
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Smartphones Can Alter Your Sleep Pattern

Sleep patterns can change for many different reasons, including age, hormones, and work shifts — and it turns out your bedtime Wordle ritual might be a factor, too. Smartphones give off blue light, which, in nature, is more prevalent in the morning. This can keep your brain from producing enough melatonin, a hormone that helps with sleep, which then disrupts your natural circadian rhythm. Other technology that gives off blue light, such as tablets and laptops, can also mess with your sleep.

Some people wear blue-light-blocking glasses to reduce the impact of smartphone use, and while they’re not harmful to wear, the evidence of their actual effectiveness is inconclusive.

 Young woman in bed with eyes open who can not sleep.
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Going 24 Hours Without Sleeping Is Like Being Drunk

While an all-nighter here and there probably isn’t the end of the world, you shouldn’t plan to operate any heavy machinery the next day. Even if you feel fine, you could have delayed reaction times, an inability to focus, and unstable moods — you know, like when you’ve had too much alcohol.

While the effects of sleep deprivation and alcohol vary from person to person, the Centers for Disease Control and others estimate that going 24 hours without any sleep is roughly the equivalent of having a blood alcohol level of 0.1%, past the legal limit for driving in the United States. So if you’re feeling a little woozy after an all-night project, try sleeping it off if you can. Naps probably can’t fix a long-term sleep-deprivation issue, but a quick snooze may restore some alertness.

EEG wave in a human brain.
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What Is REM Sleep, Really?

In 1951, a graduate student at the University of Chicago, Eugene Aserinsky, hooked up his 8-year-old son, Armond, to a device that tracked eye movements and brain waves. After Armond fell asleep, Aserinsky noticed from another room that the eye-tracking “pens” were swinging back and forth. Thinking Armond must be awake and looking around, Aserinsky went to investigate and found the boy sleeping deeply, his eyes closed. Aserinsky’s paper, published in 1953, was the first time REM sleep had been described; before that, scientists had believed that the sleeping brain was more or less turned off.

We now know that not just humans but all land mammals and many birds undergo spells of REM, or Rapid Eye Movement, sleep. In those spells, the heart rate speeds up, breathing becomes irregular, and brain waves are more variable. Major muscles that we normally control can’t move.

REM sleep first occurs about an hour to 90 minutes after falling asleep. As we age, we get less REM sleep, and its function is still not entirely clear. It’s thought to be key to memory formation, but people who take antidepressants spend far less time in REM sleep, and that doesn’t seem to consistently affect their memory. Also, it’s a myth that we only dream during REM sleep. Our most vivid dreams occur during REM sleep, but dreaming can occur at any stage of sleep.

Young girl waking up again, looking at herself.
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What Is Sleep Paralysis?

Sleep paralysis is an inability to move that happens sometimes for a short period as you’re falling asleep or waking up. The mind is awake, but the body lags behind for a minute or two.  

Although the feeling is bizarre and can be scary, sleep paralysis isn’t rare or dangerous. It occurs most often in young people, beginning in the teens, and in people with other sleep issues, including narcolepsy, sleep apnea, and nighttime leg cramps. It is also more common in people with post-traumatic stress or panic disorder. In those moments of paralysis, some people feel that they are falling, floating, or having an “out-of-body experience.” Others hallucinate a presence in the room, hovering nearby, and may conclude they have been abducted by aliens or visited by ghosts. According to one theory, people who feel outside of their own bodies or sense ghostly presences might be experiencing a glitch in their mirror neurons, the part of the brain that fires when we observe activity in other people.

Young woman in eye mask sleeping in bed at home at night.
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It’s a Myth That Many Adults Only Need Five Hours of Sleep or Less

We’ve all heard people boasting that they’re perfectly functional on five hours of sleep or less. Adults do vary in their sleep needs, but the number who are at their best with such little sleep is vanishingly small. Long-term sleep deprivation is linked to obesity, type 2 diabetes, heart disease, and traffic accidents.

So why do people say they’re fine on a sleep-deprived schedule? A rush of cortisol, the hormone that revs us up to manage stress, can create the sensation of alertness. It’s an illusion; the sleep-deprived still do poorly on objective tests of their short-term memory and motor skills.

For optimal functioning, seniors usually need seven to eight hours, and other adults need seven to nine. Teens need eight to 10 hours and younger children need even more. People who are getting enough sleep take at least 15 minutes to fall asleep when they get into bed.

But an All-Nighter Might Be Good for Your Mental Health

Although losing an entire night’s sleep zombifies most of us, there are exceptions: Some people feel much happier or calmer after an all-nighter.

That’s probably because the jolt is a reset for their body clocks, which were out of whack, an idea first described in an 1818 German psychiatric textbook.

Depression or bipolar disorder almost always involves a disruption in sleep, which may be a symptom or a trigger. According to British psychiatrist David Veale, staying up for 36 hours relieves mood symptoms in about half of these patients. To maintain this state, he prescribes a sleep schedule that requires waking up in the wee hours for the next several days. After that, they may be able to stay in a more standard sleep schedule, supported by light therapy. Our body clocks are set by light: Veale prescribes exposure to intense white light in the morning for six months to a year.

Close-up of a clock while a woman works overtime, late at night.
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You Can’t Get a Guinness World Record for Staying Awake

The last Guinness World Record for staying awake went to 17-year-old Randy Gardner, after he stayed awake for 11 days and 25 minutes in 1963 — but even if you decide to risk grievous bodily harm by exceeding it, nobody’s going to record your victory. The health risks are so vast after even a few days without sleep that Guinness did away with the record because of how dangerous it would be to attempt it.

Gardner, who drafted friends to help him stay awake in shifts, said it became very difficult on his third day of wakefulness, and he ate tangerines and oranges to help with the nausea he experienced. Eventually, a Stanford researcher took notice and kept him company for the rest of the record-breaking run. After he hit his milestone, he fell asleep with electrodes attached to his head at a nearby naval hospital. He and his friends won first place in the Greater San Diego Science Fair for their efforts.

But seriously, don’t try this at home: Extremely prolonged sleep deprivation can lead to psychosis and even death.

Midday Naps Are an Integral Part of Some Cultures

A siesta can be any nap or short rest — or it may refer to a specific time of the day set aside for naps, particularly in (but not limited to) Spain. While the tradition has fallen by the wayside for many people in the modern world, it’s codified in at least one place. In Ador, Spain, a small town near Valencia, the hours between 2 p.m. and 5 p.m. are an official quiet time. Businesses close, sports pause, and parents are encouraged to keep their children inside. A siesta between 3 p.m. and 5 p.m. is still standard practice in parts of Greece as well, especially during the hot summer months.

The word “siesta” comes from the Latin term “hora sexta,” used in ancient Rome to refer to the sixth hour after dawn — typically the start of a period of rest.

View of a dormitory in the medieval ages.
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Medieval Peasants Slept Better Than We Do

Artificial light has made sleep far less pleasant. We get too little sunlight and too much light when we need darkness.

In medieval Europe, there were no glowing smartphones or bedside lamps. At sundown, families blew out a candle and retreated to soft heaps of rags in one room. After about four hours of sleep, at midnight, adults awoke for a blissful hour or two of prayer, sex, reading, writing, or chatting, before they dozed off and awoke at dawn.

That’s apparently the natural rhythm. In an experiment in the 1990s, in which participants lived away from artificial light, after three weeks they gradually drifted into the pre-artificial light pattern of waking in the middle of the night. Tests of their blood in the interlude showed that even without sex, they were awash in prolactin, a hormone released after orgasm that gives us the “afterglow.”

Eight hours seems to be the key, but ideally, we’d all have a sweet interlude. Just don’t turn on your lights or use your laptop or phone.  

Interesting Facts
Editorial

Interesting Facts writers have been seen in Popular Mechanics, Mental Floss, A+E Networks, and more. They’re fascinated by history, science, food, culture, and the world around them.

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Dogs and humans all over the world have been enjoying a mutually beneficial best friendship for perhaps tens of thousands of years. They’re the first animals we domesticated, and have been constant companions ever since. Sometimes dogs have a job they help us with, like sheep herding or duck hunting. But others are literally just here for the cuddles, and dog people are happy to oblige.

Even after all those years, we’re still learning about dogs, including more about how our unlikely animal friendship began. But plenty of dog questions have delightful answers — like whether they dream, how they learn their names, and why they slobber all over us. These seven dog facts will send you running to cuddle your closest very good boy (or girl).

A group of playful pedigreed Golden Retriever dogs.
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How Did Dogs Evolve From Wolves?

Today’s domesticated dogs evolved from majestic, wild wolves, but looking at a tiny, trembling chihuahua, it can be hard to imagine how that even worked. It took a really long time, especially for breeds that seem very distant from their ancient grandparents.

Scientists still don’t know exactly how those first wolves befriended humans, but it appears to have happened at least 15,000 years ago. A study of ancient wolf genomes published in 2022 found that dogs may have been domesticated twice, once in Asia and once in the Middle East or nearby, with the populations subsequently intermingling. But the evidence is far from conclusive, and dogs may have been domesticated just once, in Asia, and then later bred with wolves that lived in or around the Middle East. Regardless, most scientists now agree that dogs evolved from gray wolves.

The exact mechanism is still unclear. Wolves, after all, are pretty dangerous, and scientists are still scratching their heads about what prompted humans to feel safe around them in the first place. Regardless, your people-pleasing golden retriever is a pretty far cry from its lupine ancestors. (Your shih tzu, on the other hand, might be closer than you think.)

Dog sleeping in bed with a fluffy toy bear.
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Do Dogs Dream?

If you’ve spent a lot of time around dogs, you’ve probably seen them twitching or kicking in their sleep. It’s hard to know exactly what’s going on in a dog’s mind, but they do exhibit brain wave patterns much like we do when we’re in our most dream-heavy phase of sleep.

So what do dogs dream about? In one study, scientists removed or deactivated the part of the brain that keeps dogs from moving around in their sleep (yikes). These dogs started to move when they entered the dreaming stage of sleep, and began acting out their dreams, doing breed-specific behaviors. According to dog psychology researcher Stanley Coren, “What we’ve basically found is that dogs dream doggy things. So, pointers will point at dream birds, and Dobermans will chase dream burglars.” This indicates that dogs probably just dream about their everyday actions.

A man with a runny nose with a dog in the background.
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Why Are Some People Allergic to Dogs?

Around 10% to 20% of humans are allergic to cats or dogs. There’s a common misconception that people allergic to furry friends are allergic to the fur itself, but they’re actually allergic to proteins found in skin cells, saliva, and urine — so if you’re allergic to dogs, you might still be allergic to a hairless dog. When someone allergic to dogs is exposed to those proteins, as with other allergies, their immune system reacts as if the substances are harmful.

Some dogs are marketed as “hypoallergenic,” but there’s really no breed that’s guaranteed to not trigger allergies. It is possible, however, that someone can be more allergic to one dog than another. The best way to figure out whether you’re allergic to a specific dog is just to spend time around it, so starting out by fostering a pup before committing to a long-term companion might be the way to go.

Golden Retriever puppy snuggling next to adult golden retriever.
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How Do You Convert Human Years to Dog Years?

For decades, people have used the phrase “dog years” to compare stages in dogs’ lives to similar stages in human lives — such as whether they’re children, teens, adults, or seniors. There’s a common misconception that one human year is equivalent to about seven dog years, but it’s not all that simple.

According to the American Kennel Club (AKC), a 1-year-old medium-sized dog is roughly equivalent to a 15-year-old human. The second year of that dog’s life is around nine human years, and after that, each year is about five years. This varies from dog to dog, though, especially since large dogs tend to age faster than smaller dogs. The AKC estimates that a smaller dog, like a Pomeranian, is around age 56 after 10 years, while a very large dog, like a Great Dane, would be more like 79.

woman laughing with a dog teckel dachshund licking her face.
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Why Do Dogs Lick People?

Dogs licking people is often interpreted as a sign of affection, and it very well might be. Some wild dog species lick their pack members to welcome them home, and it can absolutely mean that your dog is happy to see you.

That’s not the only reason your dog might lick you, though. You could just taste really good, especially if you just finished a meal. It could also be a combination of the two: Licking may have started as a food-seeking behavior and evolved into a sign of affection. It could also be a sign of submission.

Obsessive licking, however, can be indicative of a larger problem like allergies, boredom, or pain — so if you’re worried about what it might mean, it’s worth a trip to the vet to check it out.

Happy family at animal shelter choosing a dog for adoption.
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Can You Change a Rescue Dog’s Name?

So you’ve fallen in love with a rescue dog, but its name is Supercalifragilisticexpialidocious. You can’t exactly be expected to shout that across the dog park. Fortunately, it’s perfectly fine to change a dog’s name after adoption. In some cases, the dog got that name at the shelter and hasn’t even had it for very long — but you can change it even if the dog’s had the name for years.

If you do decide to change your new friend’s name, it just requires a little consistency and patience. You may have to use their old name a couple of times along the way, but with plenty of positive reinforcement, your dog should fully accept their new moniker. Don’t worry — they won’t be offended!

White puppy looking in the mirror.
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Can Dogs See Color?

Some dog senses are more amplified than those of humans. Most dogs can hear high-pitched frequencies that are completely silent to us, and with a sense of smell that may be up to 10,000 times more powerful than ours, they take in much more of the world via scent than sight. But how does their vision measure up?

While sight varies among both individual humans and dogs, a typical dog can see fewer colors than a typical human — but contrary to popular belief, they don’t see in black and white. They can also see yellows, blues, and combinations of the two. It’s similar to a human being who has red-green color blindness.

Dogs may still have one vision advantage over humans, though: Their eyes are better adapted to see in the dark.

Sarah Anne Lloyd
Writer

Sarah Anne Lloyd is a freelance writer whose work covers a bit of everything, including politics, design, the environment, and yoga. Her work has appeared in Curbed, the Seattle Times, the Stranger, the Verge, and others.

Original photo by Chendongshan/ Shutterstock

Politicians are often viewed as divisive figures, but over the years, there have been a few candidates who have garnered near-universal public support — and they tend to be furry. From mayorships to local council seats, a number of adorable animals have actually been elected to public government (although sometimes you may need to take that “elected” with a grain of salt). These cuddly creatures might be more concerned with napping and treats than taxes and potholes, but that doesn’t seem to deter the voters in these stories very much.

Cute ginger cat closeup to the camera.
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Stubbs the Cat (Mayor of Talkeetna, Alaska)

For over 18 years, the small town of Talkeetna, Alaska, was unofficially governed by Stubbs the Cat, a ginger-haired feline who first came to power in 1998. Though technically the town had no real mayor, meaning Stubbs was never officially elected, locals widely approved of his leadership, with one resident saying, “He hasn’t voted for anything I wouldn’t have voted for.” Stubbs’ “office” was located at the local general store, which was operated by the beloved cat’s owners. In 2014, Stubbs was apparently drafted to run for national office during the Alaska Senate elections, though that campaign fell short. Nonetheless, Stubbs continued his mayoral duties back home, which mainly included wandering around town and napping. He died peacefully in 2017 at the ripe old age of 20.

Life size version of Clay Henry the Goat in Texas.
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Clay Henry the Goat (Mayor of Lajitas, Texas)

Clay Henry was a goat who was elected mayor of the small town of Lajitas in 1986. He became immensely popular, although less for his political beliefs and more for his beer-drinking prowess, since tourists would come from far and wide to visit the goat’s pen and ply him with libations. Though Clay Henry Sr. tragically passed away in 1992, he was subsequently stuffed and put on display so visitors could pay homage to the once-great mayor. This was just the beginning of a Kennedy-like political dynasty, however, as his son Clay Henry Jr. assumed the mayorship shortly after, followed by Clay Henry III. The town is now led by current mayor Clay Henry IV, whose beer-drinking abilities are as renowned as his great-grandfather’s.

Golden retriever running on the grass with a tree branch.
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Max the Dog (Mayor of Idyllwild, California)

On July 1, 2012, a golden retriever named Maximus Mighty-Dog Mueller (or Max I) was inaugurated into office as mayor of Idyllwild, California, after winning two-thirds of the vote in an election sponsored by the Idyllwild Animal Rescue Friends organization. In the days that followed, Max could often be seen about town wearing a plaid necktie and gold medal. At Mayor Max’s side were deputy mayors Mikey and Mitzi (also both dogs); as a group, they were collectively known as “the mayor and the spares.” Though Max I passed away in 2013, Mayor Max II assumed the role in the wake of his predecessor’s demise. The current mayor can be found on weekends traveling around town in the back of his official pickup truck and meeting with his constituents.

View of a mule standing in an open grass field.
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Boston Curtis the Mule (Committeeman in Milton, Washington)

Electing animals to office isn’t just a modern phenomenon. In 1938, Democratic Mayor Kenneth Simmons nominated a “Mr. Boston Curtis” for Republican precinct committeeman in the town of Milton, Washington. With no opponents and also no additional information provided to the voters, Curtis was elected with 51 votes — and then subsequently revealed to be a mule. The mayor, a Democrat, had sponsored Boston’s candidacy as a prank, which apparently had a message — he went on to say that voters “have no idea whom they support.”

Bosco, a black Labrador retriever, voted mayor of the unincorporated area of Sunol, California.
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Bosco the Dog (Mayor of Sunol, California)

Now immortalized in a life-sized statue unveiled in 2008, a black Lab and rottweiler mix named Bosco Ramos defeated two humans to become mayor of Sunol in 1981, holding the office until his death in 1994. Bosco was known as America’s first dog mayor, and became a symbol of democracy and freedom — in 1989, he participated in a 30-hour pro-democracy rally outside the Chinese consulate in San Francisco. Though Bosco ran as a “Re-pup-lican,” he was a nonpartisan force and brought the town’s residents together, often to rub his belly.

Black and white cat with white mustache close-up.
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Jinx the Cat (Mayor of Hell, Michigan)

Jinx — a big-eyed black cat with a massive social media following on TikTok — became mayor of Hell, Michigan, for a single day in April 2022. The town has long offered humans the chance to become “Mayor of Hell,” but Jinx made history by becoming the first cat to hold said office. Jinx is perhaps the most popular of any of the animal candidates on this list, with over 735,000 followers on TikTok and 400,000 on Instagram at the time of writing — a support base that most politicians would love to achieve. Unfortunately, Jinx wasn’t mayor of Hell for long, as part of the agreement with the town includes being impeached at the end of the day.

"Mayor" on Lincoln, a three-year-old goat, before the goat was sworn in, in Fair Haven, VT.
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Lincoln the Goat (Mayor of Fair Haven, Vermont)

Lincoln the goat’s inauguration as mayor of Fair Haven, Vermont, in 2019 was not without its problems. On the day she was to be sworn in, she refused to get in her cage to travel to town hall, and had to be coerced with dinner. Then there was the issue of paperwork, as Lincoln couldn’t sign the documents to make her mayorship official. Thankfully, the Fair Haven town clerk had an ingenious idea, and placed an ink pad and piece of paper on the ground for Lincoln to stomp on, thus making her new status official. Though Lincoln has since left office, the town’s line of animal mayors has continued. Elsa the goat was elected in 2022, winning a hard-fought election and defeating Maddie the dog (who finished second), and Colonel Kernal the chicken (who came in third).

A rhino with a tiny bird on their head.
Stock Credit: Rocchas/ Shutterstock

Cacareco the Rhinoceros (São Paolo City Council)

The only animal on this list to be elected yet never hold office, Cacareco garnered a whopping 100,000 votes (15% of the total) in the São Paolo, Brazil, city council election of 1959. Cacareco — a resident of the São Paolo zoo — was entered into the race by a group of students who, along with the town’s general population, were dissatisfied with existing politicians. One voter famously claimed, “Better to elect a rhino than an ass.” Unfortunately, local officials invalidated the results and held another election the following week, despite all of Cacareco’s votes being legitimately cast. Cacareco’s legacy lived on, however — the phrase “Voto Cacareco” became a widespread term signifying a protest vote in future Brazilian elections, and the rhino also inspired the creation of the Rhinoceros Party of Canada, a political faction once “led” by Cornelius the First.

Bennett Kleinman
Staff Writer

Bennett Kleinman is a New York City-based staff writer for Optimism Media, and previously contributed to television programs such as "Late Show With David Letterman" and "Impractical Jokers." Bennett is also a devoted New York Yankees and New Jersey Devils fan, and thinks plain seltzer is the best drink ever invented.

Original photo by THEPALMER/ iStock

Straddling the border between western New York state and southern Ontario, Canada, Niagara Falls is undoubtedly one of the most famous attractions in the world. The spot easily draws more than 20 million visitors a year, thanks to its relatively easy accessibility and a popularity piqued by screen appearances in films such as Superman 2 and TV shows such as The Office. Whether you intend to visit sometime in the near future or can only admire from afar, here are nine things to learn about these magnificent falls from the spray-free safety zone of your screen.

Niagara Falls aerial view.
Credit: Starcevic/ iStock

Three Separate Waterfalls Make Up Niagara Falls

Niagara Falls consists of three separate cataracts. Horseshoe Falls, located mostly on the Canadian side and partitioned from the others by Goat Island, stands approximately 188 feet high, with a crestline of about 2,200 feet across. American Falls, with a crestline of around 1,000 feet, also rises to 188 feet above the Niagara River, although it stands just 70 to 110 feet above a rock pile, known as a talus. Bridal Veil Falls, separated from American Falls by tiny Luna Island, measures 181 feet above the river, with a crestline of 50 feet.

Niagara Falls by J. van Vianen, circa 1697.
Credit: Library of Congress/ Corbis Historical via Getty Images

Niagara Falls Was Formed More Than 12,000 Years Ago

The falls are a remnant of the last ice age, a period that left southern Ontario blanketed in a frozen sheet that carved out the basins of the Great Lakes. When the region began to thaw about 12,500 years ago, torrents of meltwater merged to form the Niagara River, which produced the mighty falls at the Niagara Escarpment before emptying into Lake Ontario. The name “Niagara” stems in part from the name of the Onguiaahra Native Americans, who were among the earliest tribes to settle in the region, between 1300 and 1400 CE.

View of water flowing at Niagara Falls.
Credit: Alexander Sviridov/ Shutterstock

Niagara Falls Is Continuously Moving

Thanks to the 3,160 tons of water gushing over the lip of Niagara Falls every second, the forces of erosion continue to eat away at the escarpment and push this natural wonder ever farther upstream. When the falls first emerged more than 12,000 years ago, they were located nearly 7 miles downstream, adjacent to Queenston, Ontario, and Lewiston, New York. The crestline has historically receded at a rate of about 3 feet per year, although efforts to control the water’s distribution in recent decades have shrunk that rate to a few inches per year.

Maid of the Mist with tourists eager to see the nature miracle in front of Niagara Falls.
Credit: Vadim Rodnev/ Shutterstock

The Maid of the Mist Sightseeing Boat Tour Began as a Ferry Service

Seeking to outdo the rowboats that carted passengers across the Niagara River in the early 19th century, the Maid of the Mist launched in 1846 as a plus-sized ferry service capable of carrying a stagecoach and horses. However, when a suspension bridge was completed in 1848, the steamboat’s owners pivoted to a sightseeing business instead. The Maid of the Mist has since undergone several transformations, even surviving a treacherous Civil War-era ride (after the boat was sold to a Canadian company) through the nearby Whirlpool and Devil’s Rapids. It’s now an iconic part of the Niagara Falls experience. While it no longer operates on the Canadian side, the service announced its intention to plow full-steam ahead with the launch of two fully electric boats in 2020.

Frozen water apart of the Niagara Falls.
Credit: ArtInDigital/ Shutterstock

The Falls Completely Froze Over Once

Following a spell of warm weather that caused the ice of Lake Erie to break up in late winter 1848, the combination of strong winds and plummeting temperatures pushed the resolidifiying ice into a blockade at the mouth of the Niagara River. Locals subsequently woke up on the morning of March 29 that year to the “eerie silence” of a completely frozen Niagara Falls. The falls remained suspended until the ice dam gave way after 30 hours.

The area’s chilly winter climate has often caused at least partial freezing of the falls, most noticeably in the years of 1902, 1906, 1911, 1932, 1936, 2014, and 2017, although the annual installation of the Lake Erie-Niagara River Ice Boom ensures that the blockage that slowed everything to a halt in 1848 won’t happen again.

Niagara Falls over the American side with the flow cut off, USA 1969.
Credit: colaimages/ Alamy Stock Photo

American Falls Has Been “Turned Off”

With concerns lingering about the ever-expanding talus beneath American Falls, the U.S. Army Corps of Engineers in 1969 erected a 600-foot-long cofferdam from mainland New York to Goat Island to investigate the situation more closely. The result was the unusual sight of a dried rock face where the falls had been, the dewatered cataract yielding millions of coins and allegedly a few unidentified bodies as well. Engineers took advantage of the situation to install electronic rockslide sensors and fortify the base with bolts and cables, although it was ultimately decided that the 280,000-cubic-yard talus could remain in place.

View of the backs of a couple staring off at the Niagara Falls.
Credit: Thomas Mroz/ Shutterstock

Niagara Falls’ reputation as the “Honeymoon Capital of the World” can be traced to Theodosia Burr — daughter of Vice President Aaron Burr — and wealthy South Carolinian Joseph Alston, who celebrated their 1801 nuptials with a trip to the falls. Three years later, Napoleon Bonaparte’s younger brother Jerome and his American wife, Elizabeth Patterson, became the next high-profile newlyweds to visit the region. By 1841, the ubiquity of honeymooners in the area was referenced in the popular song “Niagara Falls,” and its reputation was still going strong when the Greater Niagara Chamber of Commerce issued its first “honeymoon certificates” in 1949. Although exotic locales like Bora Bora or St. Lucia may prove more popular post-wedding destinations these days, it’s been estimated that more than 50,000 couples still get married or celebrate their honeymoons at the falls every year.

Samuel J. Dixon of Toronto walks across the Niagara River Gorge on a 7/8-inch rope.
Credit: Bettmann via Getty Images

The Falls Have Attracted Plenty of Thrill-Seekers

Along with dewy-eyed newlyweds, Niagara Falls has attracted a disproportionate share of daredevils. After Sam Patch twice leapt from heights of 85-plus feet into the Niagara River in 1829, the area emerged as a hot spot for tightrope walkers in the second half of the 19th century. Retired schoolteacher Annie Edson Taylor then became the first person to ride over the falls in a barrel in 1901, paving the way for more than a dozen thrill-seekers to try to follow or top her efforts. Among the success stories, Peter De Bernardi and Jeffery James Petkovich were the first duo to make the plunge together, and John “Super Dave” Munday was the first to survive two attempts. Then there’s 7-year-old Roger Woodward, who was swept over the falls following a boating accident in 1960, but somehow lived to tell the tale.

Scenic view with rocky foreground of the rapids of the Niagara river.
Credit: Simon van Hemert/ iStock

Most of the Niagara River Flow Is Diverted for Hydroelectric Power

While the 3,160 tons of water shooting over the falls every second seem like a lot, it’s nowhere close to the amount that would gush forth without human intervention. Thanks to the terms of the 1950 Niagara Diversion Treaty, just 50% of the Niagara River reaches the falls during daylight hours of tourist season, and only 25% flows through during nighttime and the offseason. The rest of this precious water is routed to massive plants such as the Sir Adam Beck and Robert Moses generating stations, which leverage the gravity of the Niagara Escarpment. While some purists undoubtedly would like to see the falls at their full, unfettered strength, the locals who receive 25% of all power used in New York state and Ontario from these stations likely wouldn’t argue with the current arrangement.

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Interesting Facts writers have been seen in Popular Mechanics, Mental Floss, A+E Networks, and more. They’re fascinated by history, science, food, culture, and the world around them.

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Cheese, glorious cheese. One of humanity’s oldest culinary creations, cheese has been around for nearly 4,000 years and comes in more than 1,800 varieties. Here’s a sampler platter of facts about everybody’s favorite dairy product.

Cheese with holes large and small on wooden background.
Credit: Cucu Remus/ iStock

Swiss Cheese Is a Scientific Mystery

Surprisingly, nobody really knows for certain why Swiss cheese has holes. The longstanding theory was that bacteria in the cheese emits carbon dioxide, creating bubbles — or “eyes” — that burst as the cheese matures. (Cheese varieties without these eyes are referred to as “blind.”) While this has been the leading hypothesis for the past century, there are other theories. A 2015 study suggests that small particles of hay in milk may cause the famous holes. There’s evidence that these small specks weaken the cheese’s internal structure, causing gas bubbles to emerge.

A child holding a huge block of circular cheese.
Credit: Marizza/ iStock

Cheese Is Surprisingly Human

There’s a reason the scent of certain cheeses smells like feet, armpits, or sweat: The bacteria that make human beings stinky are closely related to the bacteria responsible for stinky cheeses, such as Limburger. In fact, some cheeses are so human-like that mosquitoes can mistake them for flesh.

A look at a bull moose feeding on fall foliage.
Credit: RONSAN4D/ iStock

The World’s Most Expensive Cheeses May Surprise You

One of the world’s priciest cheeses? Moose. Made in Sweden, moose cheese is created exclusively at a 59-acre farm that sells the stuff to high-end restaurants for approximately $500 per pound. The cheese is amazingly high in butterfat, making it rich and creamy. Even more pricey is pule, a cheese made from the milk of Serbian donkeys. It reportedly costs about $1700 per pound. (Reviewers say it tastes like manchego.)

Flay lay of blue baby bodysuit and a toy right beside.
Credit: yaoinlove/ iStock

Newborn Children Used To Be Welcomed With Cheese

In parts of medieval England, it was traditional for a father to buy a cheese — called “groaning cheese” — when his wife gave birth. The cheese was hollowed out and pieces presented to everyone present around the birth. At the child’s christening, the baby would be passed through the wheel of cheese for good luck.

Confetti in the air with a boombox blaring noise.
Credit: Deagreez/ iStock

Music May Affect Cheese Flavor

In 2018, researchers separated nine giant wheels of Emmental cheese and played them selections from Mozart’s “The Magic Flute,” Led Zeppelin’s “Stairway to Heaven,” and “Jazz (We’ve Got)” from A Tribe Called Quest, among other sonic selections. The cheeses were exposed to the music 24 hours a day over six months. When food technologists later analyzed the samples, they discovered that the cheese exposed to classical music and rock had a milder flavor compared to a control. As for the hip-hop cheese? It had “a discernibly stronger smell and stronger, fruitier taste than the other test samples.” Researchers are further studying how acoustic waves might affect cheese development.

A mouse on a mission to steal a block of cheese.
Credit: artisteer/ iStock

Everybody Loves (To Steal) Cheese

Each year, about 4% of the world’s cheese supply is stolen — making it the most-stolen food in the world. Cheese, after all, is big business: Global sales exceeded $114 billion in 2019. In Italy, Parmesan is so valuable it can be used as loan collateral, according to CBS News. Consequently, the black market for cheese is thriving. From 2014 to 2016, organized crime was responsible for stealing about $7 million of Parmesan. And dairy-based crime definitely isn’t limited to Italy: In 2009, a duo of cheese thieves in New Zealand led police on a high-octane car chase — and tried to throw off the pursuit by tossing boxes of cheddar out the window.

A glowing Crystal ball on a table.
Credit: FlamingPumpkin/ iStock

Cheese Was Once Used for Divination

In both ancient Greece and the European Middle Ages, people occasionally tried to predict the future using cheese — a practice known as tyromancy. By some accounts, the holes in the cheese were “read” as omens, much in the same way the shapes that tea leaves form at the bottom of a cup might be interpreted. In other accounts, women attempted to predict their future husbands by writing the names of suitors on scraps of cheese. The first scrap to mold was the “winner.”

Close-up of a typewriter keyboard.
Credit: ByronOrtizA/ iStock

There Have Been Poems About Cheese

A 19th-century Canadian poet named James McIntyre tried to make a name for himself by writing lyrical verse in homage to fromage. His poetry included titles such as: “Hints to Cheesemakers,” “Prophecy of a Ten Ton Cheese,” and “Lines Read at the Dairymaid’s Social.” But his most famous work is “Ode on the Mammoth Cheese: Weight over Seven Thousand Pounds.” It is reproduced here in all of its glory:  

We have seen the Queen of cheese,
Laying quietly at your ease,
Gently fanned by evening breeze —
Thy fair form no flies dare seize.

All gaily dressed soon you’ll go
To the great Provincial Show,
To be admired by many a beau
In the city of Toronto.

Cows numerous as a swarm of bees —
Or as the leaves upon the trees —
It did require to make thee please,
And stand unrivalled Queen of Cheese.

May you not receive a scar as
We have heard that Mr. Harris
Intends to send you off as far as
The great World’s show at Paris.

Of the youth — beware of these —
For some of them might rudely squeeze
And bite your cheek; then songs or glees
We could not sing o’ Queen of Cheese.

We’rt thou suspended from baloon [sic],
You’d caste a shade, even at noon;
Folks would think it was the moon
About to fall and crush them soon.

You may have already come to this realization on your own, but it’s worth mentioning that McIntyre is widely considered one of the worst poets of all time.

Interesting Facts
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Interesting Facts writers have been seen in Popular Mechanics, Mental Floss, A+E Networks, and more. They’re fascinated by history, science, food, culture, and the world around them.

Original photo by PhotoStock-Israel/ Alamy Stock Photo

The human history of the United States begins with Native Americans. After stewarding the land for generations, Indigenous peoples introduced Europeans to “new food plants, new drugs, new dyes, tobacco, unheard-of languages, novel modes of life,” and much more, as the historian A. Irving Hallowell wrote back in 1957. Here’s a look at just a few of the ways Indigenous peoples impacted American culture.

The Crowning Of Powhatan.
Credit: Kean Collection/ Archive Photos via Getty Images

Powhatan and Patuxet: Aided in the Survival of Early Settlers

The survival of America’s first white settlements hinged on the knowledge of the native population. The settlers at Jamestown would have likely perished during the brutal winter of 1609-1610 were it not for the help of Powhatan captives, who managed 40 acres of maize. The same was true of the Mayflower pilgrims in Massachusetts, who learned how to plant corn thanks to the teachings of the famed Patuxent interpreter, Squanto. The settlers, however, did not return the favor, and continued to take more and more of the natives’ land.

Iroquois Indian Five Nation Confederacy.
Credit: Science History Images/ Alamy Stock Photo

Iroquois: Influenced Federal Power

Today, students are often taught that American democracy has its roots in ancient Rome or Greece. But the American republic also took cues from the Six Nations of the Iroquois Confederacy. Philosophers like John Locke, whose writings influenced the creation of the United States, wrote with amazement about how the Iroquois Confederacy vested power in people, not a monarch. Meanwhile, Benjamin Franklin wrote letters to the Iroqouis, seemingly calling out how people incorrectly viewed them as “ignorant savages,” and spent significant time learning about their federal-style government. In 1751, Franklin wrote, “It would be a strange thing if Six Nations of ignorant savages should be capable of forming a scheme for such an union, and be able to execute it in such a manner as that it has subsisted ages and appears indissoluble; and yet that a like union should be impracticable for ten or a dozen English colonies.”

The idea that the American republic was influenced by the Iroquois can be polarizing, and is often over- or understated. Some argue that American democracy was copy-and-pasted from the Six Nations. Others argue that the Iroqouis had no influence at all. Most historians, however, occupy a middle ground. “It is a fairly important idea that a great many societies and networks influenced American constitutional thought, the Iroquois among them,” historian Gautham Rao tells Politifact.

A hut of the Pima Indians of Arizona.
Credit: Print Collector/ Hulton Archive via Getty Images

Pima: Developed Farm Irrigation

Without water, there can be no agriculture — and no civilization, for that matter. The Pima understood this challenge intimately. Around 1,500 to 2,000 years ago, the nation developed sophisticated irrigation systems across the arid deserts of Arizona, making the region habitable. (And establishing life in what is now Phoenix.) Those technologies paid off. Today, agriculture first cultivated by Native Americans makes up 60% of the world’s food supply, including pumpkins, cranberries, squash, pineapple, avocados, peanuts, and, of course, corn.

A family of Plains Indians transport their possessions on a travois.
Credit: MPI/ Archive Photos via Getty Images

Plains Indians: Initiated Early Sign Language

Native Americans communicated through sign language centuries before the development of ASL. First recorded in the 1520s, the system — now called Plains Indian Sign Language — was used as a lingua franca by dozens of native nations across the American continent, including the Navajo, Cree, and Crow. The system allowed disparate tribes — many of which spoke completely foreign languages — to communicate and trade. While American Sign Language would later take inspiration from multiple language systems, the sign language developed by Native Americans remains one the world’s oldest and most widespread.

A Group of Algonquin men.
Credit: PhotoStock-Israel/ Alamy Stock Photo

Algonquin: Created Lacrosse

First played in southern Canada more than 200 years ago, early lacrosse games were a chaotic ballsport consisting of hundreds — and sometimes thousands — of participants at one time. When Europeans began settling on North America, some tribes used the game to win the newcomers’ trust. In 1763, the Ojibwa people of Michigan used lacrosse as a Trojan Horse. With the British troops watching in the audience, the native athletes slowly worked their way to Fort Michilimackinac, and once they got close enough, they took the fort.

View of an Anishinaabe camp.
Credit: The History Collection/ Alamy Stock Photo

Native Nations: Promoting Conservation

Writers often attribute the rise of the American conservation and environmental movement to Rachel Carson’s 1962 book, Silent Spring. However, Native Americans have been promoting conservation since the beginning of time. In fact, some tribes, like the Anishinaabe, don’t have a word for “conservation” because, to them, it’s much more than a political philosophy — it’s simply a fact of life. A 2019 U.N. report found that land managed by Indigenous populations had stronger biodiversity than land managed through modern agricultural methods.

The Indians are riding a horse and spear ready.
Credit: TORWAISTUDIO/ Shutterstock

Native Nations: Shaped Modern-Day Words

You cannot drive around the United States or speak English without bumping into a Native American contribution. At least 26 state names have native origins, including Arkansas (“downstream people”), Mississippi (“great water”), and Ohio (“beautiful river”). English words that have native origins include “chipmunk,” “hammock,” “chocolate,” “tequila,” “canoe,” and “opossum.”

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Interesting Facts writers have been seen in Popular Mechanics, Mental Floss, A+E Networks, and more. They’re fascinated by history, science, food, culture, and the world around them.

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Few artist names are as recognizable (and as difficult to pronounce) as Vincent van Gogh. The Dutch painter’s name is synonymous with the art movement known as post-impressionism, and van Gogh made an incredible impact on the art world despite an abbreviated life. For all of the beautiful color, expression, mood, and extravagant wonder that filled his canvas, van Gogh struggled with mental illness. Despite these trials, he was an engine of creativity, and the strokes of his brush bestowed upon the world such gifts as “The Starry Night,” “Vase With Fifteen Sunflowers,” “Wheatfield With Crows,” “Irises,” “Café Terrace at Night,” and dozens of mesmerizing self-portraits. These seven facts explore the fascinating life of this self-made artist.

Self-Portrait by Vincent van Gogh.
Credit: Fine Art/ Corbis Historical via Getty Images

Van Gogh Started Painting at 27 And Was Mostly Self-Taught

Born March 30, 1853, in Groot-Zundert, Netherlands, Vincent van Gogh arrived at art through a more circuitous route than most of his contemporaries. Although exposed to the art world at a young age by his mother’s interest in watercolors and his work at his uncle’s art dealership in The Hague, van Gogh suffered a nervous breakdown after a failed marriage proposal and instead started studying to become a preacher. It wasn’t until 1880 — after facing another rejection, this time from the evangelical committee itself — that van Gogh took up the pencil and paintbrush and began experimenting with art at the age of 27. Many of van Gogh’s early works were actually drawings; he believed the art form to be “the root of everything.

However, these drawings, some of which were masterpieces in their own right, were largely eclipsed by the incredible oil paintings that he created over the next decade. This body of work, considered by some to be one of the greatest ever created, eventually earned van Gogh a spot among the pantheon of history’s greatest artists.

A variety of Van Gogh paintings collaged together.
Credit: Prachaya Roekdeethaweesab/ Shutterstock

Van Gogh Created 900 Paintings in Less Than 10 Years

Seemingly making up for lost time, van Gogh painted around 900 paintings from November 1881 until his death in July 1890 at the age of 37. Van Gogh often depicted subjects like peasants or farmers (one of the most famous examples being “The Potato Eaters”), or even himself, because he was too poor to pay any models. Flowers were also a frequent subject.

Although museum-goers can glimpse some of van Gogh’s most famous paintings crafted during these incredible years of creativity, many of the artist’s works were destroyed either after his death or during World War II. In addition to these lost works, another 85 van Gogh pieces are considered “missing” to this day.

'The Red Vineyards at Arles', 1888. Artist: Vincent van Gogh.
Credit: Heritage Images/ Hulton Fine Art Collection via Getty Images

Van Gogh May Have Sold Only One Painting in his Lifetime

Although a number of theories suggest van Gogh sold or bartered a few paintings, the only verified account of a painting being sold during his lifetime was when “The Red Vineyard” sold at a Brussels exhibition for 400 Belgian francs in March 1890, only a few months before the artist’s death. Although a small amount today, those francs amounted to essentially two months’ living expenses in 1890.

Overall, van Gogh was famously underappreciated as an artist during his lifetime. The popular conception of him is as a solitary genius who was shunned by the art community at large, and his combative and antisocial personality didn’t ingratiate himself to others. However, evidence exists that van Gogh was beginning to gain wider recognition a couple of years before his untimely death. An article published in the January 1890 issue of Mercure de France acknowledged van Gogh’s detractors but noted that he was ultimately understood by “his brothers, the true artists.”

Paul Gauguin (1848-1903), French painter born in Paris.
Credit: adoc-photos/ Corbis Historical via Getty Images

Van Gogh Had an Intense Friendship With Famous Painter Paul Gauguin

Much like van Gogh, Paul Gauguin was also unappreciated during his lifetime, but gained fame after his death for his inventive use of color, among other things. Gauguin arrived in the French town of Arles in October 1888 at the behest of Theo van Gogh — Gauguin’s art dealer and Vincent’s younger brother and benefactor. Theo promised Gauguin a small sum to look after his brother, and the artist saw the opportunity as a way to raise money for his return trip to Martinique, an island in the Caribbean that served as Gauguin’s muse. Vincent, however, had other ideas, and hoped Gauguin would stay and be the leader of a new artistic community based in Arles.

The two settled in a small house in the center of town, immortalized by van Gogh’s painting “The Yellow House,” and both artists painted similar subjects, developing a sort of rivalry. Gauguin even captured van Gogh in the creative process in his portrait titled “The Painter of Sunflowers.” However, van Gogh’s increasingly erratic behavior caused Gauguin to eventually flee Arles, but not before one of the most dramatic moments in art history unfolded. Speaking of which…

Manipulation style of Vincent van Gogh studio.
Credit: vladimir salman/ Shutterstock

The Story About Van Gogh’s Ear Is Still a Mystery

When people think of van Gogh, their minds usually meander among his masterworks, such as “The Starry Night” and “Sunflowers,” along with the infamous incident involving his severed ear. Today the story is filled with hyperbole and hearsay, and that’s largely because no one is exactly sure what took place on the evening of December 23, 1888. What we do know is that a fight erupted between Gauguin and van Gogh, and the latter suffered what some historians have called a “cataclysmic breakdown.”

Gauguin’s first-hand account says van Gogh approached him with a razor before pausing and retreating back to their home. Understandably freaked out by the incident, Gauguin decided to check himself into a hotel and call it a night. It was at some point soon after this altercation that van Gogh took the razor to himself and mutilated his left ear. Some reports say the troubled artist only severed his ear lobe, but further analysis has uncovered that van Gogh in fact removed his entire ear, leaving only a piece of the lobe behind. The story goes that van Gogh then delivered the ear to a prostitute before collapsing at his home in a pool of blood. Although van Gogh did travel to Arles’ Red Light District that night, historians believe that he actually delivered the ear to a cleaner — not a prostitute. The details of the event will always remain hazy, but the dramatic moment is a powerful reminder of the mental illness van Gogh suffered from for his entire life.

The Starry Night painting, June 1889.
Credit: Art Images/ Hulton Fine Art Collection via Getty Images

Van Gogh painted “Starry Night” While in an Asylum

That December night was a bloody tragedy for van Gogh, but it was only a chapter in the life of an artist who experienced dismal lows followed by unprecedented artistic highs. While staying at the Saint-Paul asylum in Saint-Rémy, France — recovering from the ear incident — van Gogh painted roughly 150 paintings at a pace of about one painting every other day. Sometime in mid-June of 1889, he painted his most well-known masterpiece: “The Starry Night.” The Dutch master was inspired by the view outside his second-story asylum window, which he had painted several times before. Because he couldn’t paint in the dark, he actually painted the view from memory during the day.

The painting takes drastic departures from the actual view from his window, with the most obvious being that the dominant cypress trees in the foreground were actually much smaller in real life. Van Gogh also couldn’t glimpse a village from his window, and instead drew an idealized village (as it doesn’t resemble nearby Saint-Rémy).

The night sky itself is also an amalgamation of nighttime and early dawn views, and while the swirls throughout the heavens might seem like a clear example of artistic license, some art historians argue that van Gogh — who was passionate about astronomy — would’ve likely known about the swirling depiction of spiral galaxies found in popular French astronomy books of the day.

Sister of Vincent Willem van Gogh, Johanna Bonger.
Credit: The History Collection/ Alamy Stock Photo

Vincent’s Sister-in-Law Made Him Famous

Theo van Gogh was Vincent’s constant companion and benefactor throughout his life. Theo supported his brother’s art and also sought care for Vincent’s mental illness. However, Theo himself wasn’t exactly a paragon of perfect health, and after Vincent’s suicide on July 29, 1890, Theo developed complications from syphilis and died only six months after his brother, at age 33. It’s very possible Vincent van Gogh would have remained a little-known Dutch post-impressionist if not for the tireless work of Theo’s wife and widow, Johanna “Jo” van Gogh-Bonger.

After her husband’s death, Jo inherited Vincent’s paintings, and spent the rest of her life fulfilling her late husband’s wish to promote his brother’s art. Jo made strategic sales to collections that were visible to the public, and in 1905, she secured a Vincent van Gogh retrospective at Stedelijk Museum in Amsterdam, which showcased more than 480 works. As Vincent’s popularity rose, she also published, in 1914, a collection of letters written between him and her husband, which only raised appreciation for the artist. After Jo’s death in 1925, her son carried on her work and became one of the founding members of the Van Gogh Museum in Amsterdam.

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Interesting Facts writers have been seen in Popular Mechanics, Mental Floss, A+E Networks, and more. They’re fascinated by history, science, food, culture, and the world around them.

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Marsupials: They’re not just kangaroos! From iconic Australian wildlife like wallabies and koalas to the furry friends in South American rainforests to the single species of North American opossum, these animals take many forms. What ties them together is how their babies grow: They emerge as embryos and develop the rest of the way outside the womb, usually in a pouch. Each species has its own special quirks, though, including some incredibly adaptable pouch variations.

Which notable land animal has equal command of the sea? Which animal is giving the Easter Bunny a run for its money in Australia? What small desert creature is rarely seen by humans?

From the unusual feeding habits of mama koalas to why backyard opossums are not as scary as they may seem, these facts about marsupials show the deep diversity in this special order of animals.

Eastern Gray Kangaroo swimming in the water.
Credit: Jurgen & Christine Sohns/ imageBROKER via Getty Images

Kangaroos Are Great Swimmers

On land, a red kangaroo — the largest of the kangaroos — can leap along at more than 35 miles per hour and jump up to 6 feet high. They have a strong command of the water, too, and can even use their forepaws to drown potential predators.

A 1974 research paper described their profound natural instinct for swimming, and noted that red kangaroos observed in a pool reached speeds of about 1 meter (a little more than a yard) per second. Although both kangaroos in the pool had been raised in captivity and had never swum before, it took them only 10 to 15 seconds to adapt and start swimming in a pattern that they wouldn’t use on land, using their back legs to stay afloat. Their forward motion came from stroking using their front legs, with the digits of their paws fully extended. Sweeping their tails horizontally from side to side like the back fin of a fish also helped propel them forward (on land, kangaroo tails typically move vertically).

Kangaroos of multiple species have been observed swimming in the wild, with at least one swimming about 2 miles when threatened. On YouTube, you can see kangaroos swimming along an open coastline and in more sheltered waters alike.

Wombat exposing his amazing sharp teeth.
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Wombats’ Teeth Don’t Stop Growing

Wombats have a lot in common with groundhogs and other rodents found in North America, but these Australian beasts are marsupials and significantly larger, at about 31 to 47 inches long. They all spend a lot of time gnawing on stuff, though, so wombats have very similar teeth: They’re rootless, and they never stop growing.

The common wombat has two pairs of large incisors, one at the top and the other at bottom of their jaw, and 16 molars tucked into its cheeks. As long as wombats stick to their regular diet of highly abrasive grasses, their teeth grind down as they grow — although some wombats, especially those in captivity, require special dental intervention to keep things from getting out of hand after eating less fibrous foods.

Little Brazilian short tailed opossum.
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Some Marsupials Don’t Have Pouches

A fully functional pouch is not a prerequisite for being a marsupial — it’s just a common convenience for animals that give birth to babies that aren’t fully developed — so some joeys are left to just cling to their mothers’ teats and hope for the best. Some species only have the remnants of a pouch.

Short-tailed opossums, a species native to Brazil that’s between the size of a mouse and a rat, have no pouch at all. When their embryos emerge, they don’t even have limbs yet, so they use their little nubs (with tiny claws!) to scramble for a nipple and attach. A seal forms that holds the baby on, and the mother can retract her nipples into her body, holding the babies close until they’re ready to detach.

Yapok, also called a water opossum.
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Water Opossums Have Built-In Swimsuits

The yapok, also called a water opossum, is native to the lakes of Mexico, Central America, and South America, and has two kinds of pouches: one on male yapoks and one on females. Male yapoks’ pouches don’t serve quite the same reproductive purpose, though. When they’re swimming, moving quickly, or diving, they have a muscle that can pull their pouch up to protect their reproductive equipment and keep it dry.

Female yapok pouches are also pretty cool, though: They create a sealed compartment that can keep the babies inside dry while mom is swimming.

Rabid opossum in a metal cage.
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Opossums Have a Natural Immunity to Rabies

Because of their tendency to crawl around in the trash and hiss at people open-mouthed and drooling, opossums are often thought to carry rabies. Not only are the creatures bluffing when they pretend to be vicious, but it’s actually exceedingly rare for them to contract rabies, possibly because they have a much lower body temperature than other warm-blooded animals like raccoons and bats.

Opossums may look scary at times, but they’re one of the better scavengers to find in your backyard. They rarely eat live chickens, but do eat garden pests, small rodents, fruit that has fallen from trees, and messes left behind by less courteous passing critters.

Captive Greater Bilby on red soil.
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Australia Has “Easter Bilbies” in Addition to Easter Bunnies

Easter Bunnies make sense in Europe and the Americas, which have native rabbit species. In Australia, not so much: Rabbits, which were brought from England in the 1800s, are an incredibly invasive species Down Under.

Bilbies, on the other hand, are native to Australia. They’re marsupials about the size of rabbits, with similarly long ears and an adorable face, along with a shrew-like snout. They’re also endangered, thanks in part to the interloping rabbits that started pushing bilbies out of their burrows, leaving them vulnerable to cat and fox attacks that were already on the rise with the arrival of European settlers.

Enter the Easter Bilby, a now-decades-long Australian tradition. It has its origins in 1968, when a nine-year-old girl wrote a story called “Billy the Aussie Easter Bilby,” which she later published. It really started catching on in the 1990s, though, after the Foundation for Rabbit-Free Australia started a campaign to promote native wildlife. Candymakers caught on, and now you can find Easter Bilbies on Australian shelves every year, often raising money for preservation groups.

Easter Bunnies are still sold in Australia, too — but the Easter Bilby has caught on as well, introducing new generations to this uniquely Australian animal.

The southern marsupial mole.
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Marsupial Mole Sightings Are (Very) Rare

Marsupial moles, a pair of species native to Australia called kakarratul and itjaritjari, really keep to themselves. Like standard moles, which evolved completely separately, they have no sense of sight (moles have no eyes; marsupial moles have no optic nerves and only vestigial lenses) and live their lives digging underground. Unlike moles, they don’t leave any trail behind, instead moving seamlessly through soft desert sand as if they’re swimming. As is the case with other burrowing marsupials, their pouch faces backward, which shields their babies from the dirt.

They live most of their lives underground, and not only do they leave little trace of where they’ve been, but they rarely show their silky golden faces above the surface. A mere sighting can be a newsworthy event. One Australian scientist estimates that humans see them above the surface only about 10 times a decade.

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Philosophers and scientists agree: Memories help shape who we are. A lifetime of experiences, cataloged and stored in our brain, helps form internal biographies that orient us throughout our lives — but memory is more complex than a simple chronological record. Different kinds of memories help us achieve different things, and many facets of memory continue to baffle scientists. These seven facts explore the fascinating world of memory, the role it plays in our lives, and some of the mysteries that still surround this psychological process.

hands holding missing white jigsaw puzzle piece down into the place as a human brain.
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There Are Many Types of Memories

Human memory is too complex to be described by just one type — so experts use four categories. Long-term memory is likely the category that comes to mind when you think of “memories,” since this type holds important biographical information. This mental category can be further divided into semantic memory, the stuff that helps you recall bits of trivia and other learned skills, and episodic memory, which keeps track of the vital moments of your life.

Another type of memory is sensory memory, which is initially triggered by one of the senses but is incredibly fleeting (interestingly, experts believe all memories first form as sensory memories). There’s also short-term memory, the one that’s supposed to keep track of your keys. Finally, there’s working memory, which helps the brain hold onto small tidbits of information in order to perform cognitive tasks. Some categorize working memory as a type of short-term memory, but it typically lasts longer and is mostly confined to the manipulation of information.

Holding a memory card next to closed eyes.
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The Brain Can Store 2.5 Petabytes of Information

With the average life span of a U.S. citizen in the upper 70s, that’s a lot of time (and a lot of memories) for the brain to process and store — but amazingly, our minds are more than up for the task. Scientists estimate that the human brain can store upwards of 2.5 petabytes of information. A petabyte equals a million gigabytes, so that is a lot of storage space. According to Scientific American, that amount of information is equivalent to recording your television for roughly 3 million hours (which would take roughly 342 years nonstop). It’ll be a while before the iPhone can match the amazing memory-storing power of the human mind — brought to you by millions of years of evolution.

Woman sleeping in bed.
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Dreaming Is the Result of the Brain Organizing Memories

Theologians and philosophers since time immemorial have tried to make sense of dreams, and the ability to interpret dreams appears in religious texts and pagan myths alike. When a person sleeps, they fluctuate among light, deep, and rapid-eye movement (REM) sleep, and it’s during this last phase — which accounts for roughly one-fourth of our sleeping hours — that the brain consolidates memories. If you look at the activity of a person’s brain when in REM sleep, it fires as if it’s awake, but the chemicals in the brain — such as serotonin, norepinephrine, and histamine — are blocked so we don’t injure ourselves by physically acting out our dreams. Research shows that during REM sleep, dreams are a reflection of a biological process wherein the brain strengthens neural connections to important experienced events while ditching the inessential information — all while preserving the integrity of current memories and adding new information. You can kind of think of your brain as a very large filing cabinet, and every night, your brain has to add new files to its ever-growing record system while simultaneously not upsetting its organized methodology.

Elevated View Of Couple Looking At Baby's Photo Album.
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Babies Form Memories (We Just Don’t Remember Them)

Ask anyone to describe their very first memory, and one thing is common — no one remembers their first two years. Scientists sometimes call this biological phenomenon “childhood amnesia,” an inability for older children and adults to recall their earliest years on Earth. But this doesn’t mean babies don’t form memories at all — studies in the ’80s and ’90s found that within the first few months, infants could form memories that aided in learning and completing simple tasks. The problem is that babies don’t form episodic memories (see above), a form of long-term memory that helps us remember details from specific events. When we’re between the ages of 2 and 4, our brain’s hippocampus — the region responsible for tying fragments of information together — begins to make the necessary neural connections for episodic memory, which is why your very first memories lie somewhere within these toddler years.

Couple of seniors has fun solving puzzles as a memory training.
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Some People Can Recall Every Day of Their Lives

Those blessed with a good memory can still usually conjure only a fuzzy picture of the past, but for people with hyperthymesia (also known as “highly superior autobiographical memory”) — a condition that gives the brain the remarkable ability to remember every single day of a person’s life since adolescence — memory is both a blessing and curse. In a famous 60 Minutes interview in 2010, one person with hyperthymesia described her exacting recall as effortless, saying, “It’s almost as automatic as if you say, ‘What is your name and where do you live?’” Name any date, and they’ll almost immediately tell you what day of the week it was and what they did that day. But a superhuman memory means remembering things best left forgotten. The first person to ever be identified with this condition, Jill Price, has described the experience as haunting, telling the Seattle Post-Intelligencer in 2008, “I’ve been through hell in my life.” As of 2021, only 60 or so people have been diagnosed with the condition, but their superhuman memories give scientists an unparalleled opportunity to study the still-unknown marvels of the human mind.

Top view of woman looking at her retro photographs.
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We Don’t Know If Photographic Memory Exists

While hyperthymesia is real, there is no existing evidence that a “photographic memory” — that is, the ability to recall any previously glimpsed image and examine it in precise detail — actually exists. The belief in this kind of memory may have grown out of the biological fact that humans are generally better at recalling visual material than other forms of information. The only known example of a condition similar to photographic memory is something called “eidetic memory,” when someone can hold an incredibly detailed and accurate image in their mind but only for a short time. Strangely, this incredible ability is relatively common in young children and virtually absent in adults, leading scientists to believe that this snapshot memory plays some role in cognitive development in early childhood.

A man smelling a small bouquet of flowers.
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Smell Triggers Particularly Strong Memories

Unlike our other senses, our sense of smell is more directly hardwired into the parts of the brain that deal with memory. Instead of electrical signals being sent to the thalamus as in other senses, smell bypasses this region of the brain and instead travels to the olfactory bulb, which is directly connected to the hippocampus and amygdala — areas of the brain associated with processing memory and emotion. These strong connections are likely why smell can elicit such powerful memories throughout our lives. A study in 2017 found that one part of the olfactory bulb in particular — known as the piriform cortex — is responsible for depositing scents in our long-term memory. This cortex links up with other regions of the brain to determine whether a smell earns a spot in the filing cabinet of our mind. Often, these memories take us back to our childhood, as the recollections tend to be associated with the first time we smelled a certain scent, allowing us to relive those early years, if only briefly.

Darren Orf
Writer

Darren Orf lives in Portland, has a cat, and writes about all things science and climate. You can find his previous work at Popular Mechanics, Inverse, Gizmodo, and Paste, among others.