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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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