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Some researchers have seemingly turned back time 2,000 years just by planting ancient seeds. Amazingly, a Judean date palm seed that was unearthed at a dig site in eastern Israel in the 1960s is today a thriving tree called Methuselah, named for the long-lived biblical patriarch.
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It's a factMany plants rely on the wind or animals to help disperse their seeds, but not all. Chinese witch hazel plants can launch their seeds nearly 60 feet. Scientists believe the plant evolved its propelling abilities to successfully spread without overcrowding its environment.
Archaeologists working at the ancient fort of Masada unearthed a handful of date palm seeds, using two for radiocarbon dating to confirm their age. The remaining excavated seeds sat in storage until 2005, when researchers at Israel’s Arava Institute took a chance on planting three of them. Only one of the seeds germinated, springing to life as the sole living example of its species, which likely went extinct around 500 CE. The experiment encouraged scientists to attempt more ancient plantings with date palm seeds found at other dig sites, and today the ancient-yet-young Methuselah has at least six companions that are as old as the Dead Sea Scrolls.
Methuselah has since grown into a healthy tree, making pollen that has successfully fertilized modern date trees and produced fruit. However, it’s not the oldest surviving seed to get a second chance. In 2012, Russian scientists unearthed 32,000-year-old seeds from Siberian permafrost. After extracting frozen plant tissue from the delicate seeds, researchers were able to successfully germinate and grow a relative of the modern-day S. stenophylla, aka the narrow-leafed campion — an achievement that could point the way to reviving other plants frozen in time.
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The world’s largest seed bank, located in ______, stores more than 2.4 billion seeds.
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The world’s largest seed bank, located in England, stores more than 2.4 billion seeds.
The world’s largest seed weighs as much as three bowling balls.
Seeds come in all shapes and sizes, though one tree’s offspring tends to tip the scales. Coco de mer palm trees produce seeds that can surpass more than a foot in length and weigh up to 55 pounds. The gargantuan trees are incredibly rare and considered endangered; they’re native to just two of the Seychelles’ 115 islands, and experts believe there are only about 8,000 mature coco de mer trees left. The palms are slow growers, taking up to 50 years before they’re able to reproduce — and when they do, their fruit ripens gradually over the course of 10 years. Scientists aren’t exactly sure why the coco de mer produces such sizable seeds, though some believe it could be to accommodate a generous amount of nutrients — enough to help the slow-growing seedlings in their quest to reach the forest canopy.
Nicole Garner Meeker is a writer and editor based in St. Louis. Her history, nature, and food stories have also appeared at Mental Floss and Better Report.
