For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
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
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
The human body contains over a billion miles of DNA.
147