When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
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