The human sigh acts as a physiological reset button.
23
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
The human brain uses approximately as much energy as a 10 watt light bulb.
120
There are about 1,400 different species of bacteria in your belly button.
10
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22