When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Chanel Tapper, a student from California, USA, has the world's longest tongue, measuring 9.75 cm (3.8 inches), from tip to top lip!
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There is a family with a genetic condition that makes their skin blue, who have been isolated in rural Kentucky for generations.
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If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
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There are pictures of Knights fighting Snails in old Medieval manuscripts - and nobody knows why.
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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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