Children grow faster in the springtime than any other season during the year.
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Yawns are more contagious among people with closer relationships.
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The world's youngest parents were 8 and 9 and lived in China in 1910.
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Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
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90% of people sit at their computer desk slouching, supporting their head with their left hand.
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There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
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