Condoms were originally made of animal intestines or linen.
347
Alligators can live up to 100 years.
337
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Whales and dolphins can't taste anything other than salt.
11
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
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