In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
There are about 1,400 different species of bacteria in your belly button.
10
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
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human brain uses approximately as much energy as a 10 watt light bulb.
120