The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
In older people, memory is best early in the morning and then declines during the late afternoon.
33
One quarter of the human brain is used to control the eyes.
43
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
An average adult produces about half a liter of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day.
8
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16