Your thumb is about the same size as your nose.
124
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
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
Your heart will pump about 212 million liters in its lifetime.
26
One human hair can support 3 ounces.
191
There are about 1,400 different species of bacteria in your belly button.
10
If you are cold you are more likely to be hungry because you use energy to keep warm.
144