When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
Rattlesnake mating sessions have been known to last more than 22 hours.
232
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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