There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
In Ancient Greece, small penises were desirable, and big ones were for ‘old men and barbarians’
22
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59
The average sperm cell swims at 8 inches per hour.
76
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
One human hair can support 3 ounces.
191