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Author Question: An inventor tries to sell you his new engine which takes in 40. Joules of heat at 87C on each cycle, ... (Read 48 times) |
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.