There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Babies cry but they don't produce tears until one to three months after birth.
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In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
Karl Pillemer, a professor, performed a study on thousands of elderly people and what advice they had about life. On happiness, there was a consensus: “the elders viewed happiness as a choice, not the result of how life treats you.”
13
During your lifetime, you'll eat about 60,000 pounds of food, that's the weight of about 6 elephants!
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Infants spend more time dreaming than adults do.
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