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There are more nerve cells in one human brain than there are stars in the Milky Way.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.