Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Sloths take two weeks to digest their food.
243
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Cats sleep for 70% of their lives.
8
When dragonflies mate, their tails form a love heart.
22
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