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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Everyone has one nostril that is larger than the other.
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As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.