Condoms were originally made of animal intestines or linen.
347
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The oldest recorded elephant lived for 82 years.
213
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A 42-foot sperm whale has about 7 tons of oil in it.
209
Lobsters have blue blood.
476