Condoms were originally made of animal intestines or linen.
347
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Penguins have a gland above their eye that turns saltwater into freshwater.
12
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Dogs have been man's pet for over 14,000 years.
224
Drivers kill more deer than hunters do.
660