Gorillas can catch human colds and other illnesses.
205
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The human sigh acts as a physiological reset button.
23
A human being loses an average of 40 to 100 strands of hair a day.
133
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
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
Early American humans hunted car-size armadillos and used their shells for houses.
12
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89