Dogs have been man's pet for over 14,000 years.
224
Jellyfish as a species are actually older than dinosaurs and sharks.
383
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
A 42-foot sperm whale has about 7 tons of oil in it.
209
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Squirrels forget where they hide about half of their nuts.
698
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10