After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
If the human eye was a digital camera, it would have 576 megapixels.
25
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
All 13 minerals necessary for human life can be found in alcohol beverages.
282
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
A person can live without food for about a month, but only about a week without water.
156