It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
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
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
In 1949, an official boxing match between a bear and a man was held. The bear won.
41