There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
As many as one third Americans flush the toilet while they are still on it.
157
Approximately 365 million people in the world have computers while half of the world's 6.5 billion population has never seen or used a telephone.
75
Half of all Americans over the age of 55 have no teeth.
39
Men laugh longer, louder, and more often than women.
61
The name "Wendy" was made up for the book Peter Pan!
142
Every human spent about half an hour as a single cell.
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