One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Early American humans hunted car-size armadillos and used their shells for houses.
12
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Sharks, like other fish, have their reproductive organs in their chests.
248
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