If the human eye was a digital camera, it would have 576 megapixels.
25
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Poor eyesight (myopia) is associated with higher IQ.
232
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The world's shortest man measures only 21.5 inches.
73
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118