For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
Held in farts enter your bloodstream and are bad for your body.
26
A person can live without food for about a month, but only about a week without water.
156
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
If you hold farts in during the day, they'll just come out when you sleep.
16