Water is actually naturally blue.
48
Mushrooms are more closely related to humans than they are to plants.
47
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Dogs can make about 100 different facial expressions.
18
