Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
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
Sex burns about 360 calories per hour.
861
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
The average person who stops smoking requires one hour less sleep a night.
79