In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.
How to calculate present value using the compound interest formula (Question 2)