Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
The human brain doesn't stop developing until about 25 years old.
102
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
Nearly 80 percent of all sudden cardiac arrests happen at home.
7