If the human eye was a digital camera, it would have 576 megapixels.
25
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
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
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191