Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
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
Denmark has twice as many pigs as there are people.
66
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A lion in the wild usually makes no more than twenty kills a year.
186