Only about 2% of the world population has green eyes.
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Girls have more tastebuds than boys.
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Intelligent people have more zinc and copper in their hair.
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Women have a slightly higher average IQ than men.
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Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
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Approximately 70,000 people in the U.S. are both blind and deaf!
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