There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
On average a woman has 4 sexual partners in her lifetime.
-143
One human hair can support 3 ounces.
191
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Poor eyesight (myopia) is associated with higher IQ.
232
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
The largest cell in the human body is the female egg and the smallest is the male sperm.
682