Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
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
On average, there's 100 billion neurons in the human brain.
83
After an 11 year study, cell phones were shown not to increase chances of getting cancer.
14
Your thumb is about the same size as your nose.
124
Every year your body replaces 98% of your atoms.
119
25% of your bones are located in your feet.
12
Your skin is actually an organ.
88