The smallest human penis ever recorded was just 5/8 of an inch long!
77
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
The whiter your tongue, the more germs there are on it.
88
Scientists estimate that laughing 100 times is equivalent to a 10-minute workout on a rowing machine.
202
Your skin is actually an organ.
88
Your heart beats over 100,000 times a day!
54
Enamel is hardest substance in the human body.
61