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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.
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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.