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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
The average adult has about 21 square feet of skin.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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