Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
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
The human sigh acts as a physiological reset button.
23
Only 1 person in 2 billion will live to be 116.
49
Your spit has a painkiller 6 times stronger than morphine. It contains a substance called opiorphin that is stronger than morphine.
39
Fingernails grow nearly 4 times faster than toenails.
31