Cows can sleep standing up, but they can only dream lying down.
745
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
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
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10