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!
32
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
There's 100 trillion good bacteria living in your body.
17
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
Your body is creating and killing about 2.4 million red blood cells per second.
17