Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Jellyfish as a species are actually older than dinosaurs and sharks.
383
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268