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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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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Many people in parts of China eat insects. Some common insects are bean worms, scoprions, and locusts.
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Studies show that financially stable men prefer smaller breasts.
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The “cheerleader effect”, the theory that girls look more attractive in groups, is scientifically proven.
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Malaysians protect their babies from disease by bathing them in beer.
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Each year, around 24,000 Americans are bitten by rats!
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