A person can live without food for about a month, but only about a week without water.
156
Poor eyesight (myopia) is associated with higher IQ.
232
The world's shortest man measures only 21.5 inches.
73
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Your heart will pump about 212 million liters in its lifetime.
26
If the human eye was a digital camera, it would have 576 megapixels.
25
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
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15