The human eye blinks an average of 4,200,000 times a year.
233
The human body contains over a billion miles of DNA.
147
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
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
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
If the human eye was a digital camera, it would have 576 megapixels.
25