It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
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‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
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Boys who have unusual first names are more likely to have mental problems than boys with conventional names. Girls don't seem to have this problem.
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In 75% of American households, women manage the money and pay the bills.
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Children grow faster in the springtime than any other season during the year.
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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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