The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
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