The Basenji dog is the only dog that is not able to bark.
4
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
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
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10