Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Mosquitoes don't just bite you, they also pee on you.
11
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Two dogs were among the Titanic survivors.
262
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12