Early American humans hunted car-size armadillos and used their shells for houses.
12
A dairy cow can produce more milk when listening to music.
446
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
Moths are unable to fly during an earthquake.
328