If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
The lense of the eye continues to grow throughout a person's life.
34
A sneeze can travel as fast as 100 miles per hour.
43
Surgeons who listen to music during operations perform better than those who don't .
87
You mostly breathe from only one nostril at a time!
75