Cats recognise the voice of their owner, but never evolved to care.
22
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
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
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
Tigers can see 6 times better at night than humans.
305