Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
An ant brain has about 250 000 brain cells. A human brain has 10,000 million so a colony of 40,000 ants has collectively the same size brain as a human.
118
It is possible for a scorpion to sting itself to death as they are not immune to their own poison!
39