If the human eye was a digital camera, it would have 576 megapixels.
25
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
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
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Mushrooms are more closely related to humans than they are to plants.
47
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
Gorillas can catch human colds and other illnesses.
205
Babies crawl an average of 200m a day.
212