Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
Fidgeting can burn about 350 calories a day.
201
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Medical research has found substances in mistletoe that can slow down tumor growth.
32
You see your nose at all times, your brain just chooses to ignore it.
30
There's 100 trillion good bacteria living in your body.
17
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25