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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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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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Cyanide works by making the human body unable to use oxygen.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.