The average person's skin weighs twice as much as their brain.
131
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Held in farts enter your bloodstream and are bad for your body.
26
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197