Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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When dragonflies mate, their tails form a love heart.
22
The elephant brain weighs about 6,000g.
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Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
A cow produces around 200,000 glasses of milk in her lifetime.
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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.
17