There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human sigh acts as a physiological reset button.
23
Your body is creating and killing about 2.4 million red blood cells per second.
17
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16