If your DNA was stretched out it would reach to the moon 6,000 times.
256
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
If the human eye was a digital camera, it would have 576 megapixels.
25
A person can live without food for about a month, but only about a week without water.
156
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k