When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Early American humans hunted car-size armadillos and used their shells for houses.
12
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59