Jellyfish as a species are actually older than dinosaurs and sharks.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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