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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
There are more sensory neurons in the tongue than in any other part of the body.
Everyone has one nostril that is larger than the other.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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