In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
Water's Covalent Bonds Are Polar
Water binding in hemoglobin
Water in a can
Water Hole
A tsunami (tidal wave) traveling across deep water can have a speed of 750 km/h k m / h and a ...
Typical bacterial population growth curve showing the initial lag phase