When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
A domestic cat can sprint at about 31 miles per hour.
274