It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Intelligent people have more zinc and copper in their hair.
233
In Korea, a child’s first birthday is the most important. In one part of the celebration, several items are placed on a table. The one that the baby picks up first is said to predict their future.
13
You can only remember 4 things at a time.
31
The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
8
Nearly 10% of American households dress their pets in Halloween costumes.
36
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
A study had men report their own penis size, and the average was found to be 6.1-6.5 inches. A subsequent clinical study actually measured penises, and found the average size to be 5.1-5.7 inches.
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