There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
The average person's skin weighs twice as much as their brain.
131
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
One human hair can support 3 ounces.
191
Your thumb is about the same size as your nose.
124
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252