Dogs sometimes fake being sick to get attention.
26
The reindeer is the only mammal that can see UV light.
17
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
A puppy is born blind, deaf, and toothless.
16
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A cat can jump FIVE TIMES as high as it is tall!
371
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79