Snakes have two sex organs. See more
In the last 4000 years, no new animals have been domesticated. See more
Dolphins have bigger brains than the brains of humans See more
A bird "chews" with its stomach. See more
A pig's orgasm lasts for 30 minutes. See more
25% of all fires of unknown origin are rat-caused. See more
Male lions can sleep for up to 20 hours a day. See more
A jellyfish is 95 percent water. See more
It is physically impossible for pigs to look up into the sky. See more