Human hair and fingernails continue to grow after death.
7
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Gorillas can catch human colds and other illnesses.
205
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
You can't tickle yourself.
29
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198