The reindeer is the only mammal that can see UV light.
17
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9