Science & Technology

Without landmarks, humans can’t walk in a straight line.

Fact
2m read
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Tooth enamel is the hardest substance in the human body.

Fact
2m read

It’s impossible to tickle yourself.

Fact
2m read

Smell is the sense most linked to memory.

Fact
2m read

Time moves faster at higher altitudes.

Fact
2m read

All human beings are 99.9% identical genetically.

Fact
1m read
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