Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Sharks, like other fish, have their reproductive organs in their chests.
248
A cow produces around 200,000 glasses of milk in her lifetime.
373