A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
At age 70, more than 70 percent of men are still potent!
29
One out of 20 people have an extra rib.
66
The whiter your tongue, the more germs there are on it.
88
Your tongue is the only muscle in your body that is attached at only one end.
173
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
In the average lifetime a person will breath in about 44 pounds of dust.
21