Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Condoms were originally made of animal intestines or linen.
347