The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
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
Two dogs were among the Titanic survivors.
262
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
