When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
There are approximately three chickens for every human on Earth.
13
Sharks, like other fish, have their reproductive organs in their chests.
248
Two dogs were among the Titanic survivors.
262
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12