Jellyfish as a species are actually older than dinosaurs and sharks.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
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A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
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