Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
You see your nose at all times, your brain just chooses to ignore it.
30
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
A person can live without food for about a month, but only about a week without water.
156
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
