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
Condoms were originally made of animal intestines or linen.
347
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Dogs have been man's pet for over 14,000 years.
224
Dolphins have names for one another.
18