Banging your head against a wall uses 150 calories an hour.
57
Poor eyesight (myopia) is associated with higher IQ.
232
India used to be the richest country in the world until the British invasion in the early 17th Century.
37
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
Pain occurs when sounds are above 130 db.
124
Wearing tight pants can lead to impotence in men.
120