In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Obsessive nose picking is called Rhinotillexomania.
101
Tigers can see 6 times better at night than humans.
305
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Yawns are more contagious among people with closer relationships.
163
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
160