A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
If the human eye was a digital camera, it would have 576 megapixels.
25
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139