The first sunglasses were worn by Inuit hunters 2,000 years ago and had small slits in them to block harmful rays bouncing off the arctic snow.

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Beekeepers are advised not to eat bananas due to their smell making bees agressive because it releases the same chemical that alert bees to attack.

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The tallest man in the world, according to the Guinness Book of Records, was Robert Pershing Wadlow. His height was 272 centimeters.

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Spiders can't chew or swallow. So they inject their prey with poison using their fangs. The poison turns the insides of insect to watery goop and the spider just sucks it up.

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Chickens, turkeys and pigeons have all been known to reproduce asexually.

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In ancient theaters, the hero who was supposed to die in the script was replaced at the last moment by a man sentenced to death, and he was killed for real.

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Scientists have proven that the more solar energy a person receives, the happier he is.

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The reason your nose gets runny when you cry is because there are little holes/ducts in the inner corner of your eye which drains excess tears in to the nose.

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🥑Avocados.

The Guinness Book of World Records officially named the avocado the world's healthiest fruit in 1998.

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It's possible to generate electricity from human tears.

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According to NASA, optimal naps last between 20 and 30 minutes. However, the perfect nap is 26 minutes long.

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It is healthier to sleep nude than with clothes on.

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There is a type of tattoo that hits right on the eyeball.

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The left testicle usually hangs lower than the right for right-handed men. The opposite is true for lefties.

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One of the rarest cats in the world.

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We get drunk as a result of oxygen starvation of the brain.

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In Iceland, it's illegal for parents to discipline their children with scary stories about fictional characters.

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A man called Billy owen who is a Cancer Survivor, lost an eye and half his face to cancer, and used it to start a career as a zombie actor.

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Squirrel won't break even if it falls from the 50th floor.

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Einstein's brain went missing after his death and wasn't found for 23 years.

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Scientists created a scientific version of marijuana called Dimethylheptylpyran. When smoked, it'll keep you high for at least 2 days.

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