Your thumb is about the same size as your nose.
124
There's 100 trillion good bacteria living in your body.
17
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
A person can live without food for about a month, but only about a week without water.
156
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
If you are cold you are more likely to be hungry because you use energy to keep warm.
144