Early American humans hunted car-size armadillos and used their shells for houses.
12
Ants tend to survive in a microwave because they find the coolest spot and wait!
17
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Condoms were originally made of animal intestines or linen.
347
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Sharks, like other fish, have their reproductive organs in their chests.
248