There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Roughly a quarter of the world's people live in China.
50
Two in five people in the world marry their first love.
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About 3000 years ago, most Egyptians died by the time they were 30!
18
Women who read romance novels have sex twice as often as those who don't.
101
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The average American consumes 9 pounds of food additives every year.
6
You can only remember 4 things at a time.
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