There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
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
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
The average person will go on a date at least 100 times before they finally marry.
33