One human hair can support 3 ounces.
191
A human being loses an average of 40 to 100 strands of hair a day.
133
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
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
The human brain uses approximately as much energy as a 10 watt light bulb.
120
