A volcano is considered active if the last eruption occurred no earlier than 11,000 years ago.

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Dolphins have little mustaches when they're born.

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It can take 2–3 years for a single pineapple to fully mature.

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Crows holds grudges.

In 2010, researchers in Seattle found that formerly captured crows were able to remember the face of their abductor even years after the incident. Once they identified the suspect in question, they would threaten them by diving down and swarming the person that they had felt threatened by years before.

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If you were to die in space, your body would not decompose since there is no oxygen.

You would simply freeze/be mummified.

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In the 18th century, England banned lipstick

It was considered witchcraft that induced men to marry.

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Every minute of the day, one billion tons of rain falls on Earth.

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Apophenia: The human tendency to see patterns and meaning in random information.

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The blue macaw is no longer found in the wild. All remaining representatives of this species are kept in captivity by private collectors.

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Every cow and bull on Earth today is descended from a herd of just 80 animals that were domesticated almost 11,000 years ago.

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There's a reason there's a hole in your pen caps.

And that's because they're a choking hazard without them. "In addition to help prevent the pen from leaking, all of our BIC caps comply with international safety standards that attempt to minimize the risk of children accidentally inhaling pen caps. Some of these vented caps … have a little hole in the top to comply with the existing safety standards," the BIC pen company explains on its website.

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When a person lies, they experience an increase in temperature around the nose

This is known as the “Pinocchio Effect".

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Before they die, cats in their last days begin to show attention to their owners, so they say goodbye.

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The whale's heart only beats nine times a minute.

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With age, more and more people start snoring.

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Ultracrepidarian: A person who gives opinions on subjects they know nothing about.

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If you eat polar bear liver, you will die. Humans can't handle that much vitamin A.

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Many elephants weigh less than the tongue of a blue whale.
Blue whales are the largest creatures ever known to us. A blue whale can gain up to 200 tons of weight, and its tongue can gain up to 4 tons. Elephants, for example, forest elephants, weigh up to 2.7 tons.

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Human sperm cells contain about 37.5MB of data each

The average "load" contains nearly 16TB of data.

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The air inside any room is about 23 times more polluted than the air outside.

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Cannabis was used to treat tetanus, typhus, cholera, rabies, dysentery, alcoholism, anthrax, leprosy, snake bites, tonsillitis, and insanity in the US in 1850.

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