There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
You can only remember 4 things at a time.
31
The typical person spends about 600 hours having sex between the ages of 20 and 70.
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The name "Wendy" was made up for the book Peter Pan!
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You share your birthday with at least 9 other million people in the world.
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Yu Youzhen, a Chinese millionaire, works as a street sweeper for the sanitation department to set an example for her children.
11
Every human spent about half an hour as a single cell.
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