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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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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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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.