Perspiration is odorless; it is the bacteria on the skin that creates an odor.
39
The skin on your lips is 200 times more sensitive than your fingertips.
345
Chocolate, sex, and laughter are all important for a healthy brain.
37
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
Household bleach is the recommended chemical to decontaminate people exposed to the anthrax virus, by the U.S. F.D.A.
16
The average tastebud lives only 10 days before it dies and is replaced by a new one.
15
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21