Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
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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.
The sites of early embryonic development in mammals.
h bonding sites
Common sites of colorectal cancer.
Social Capability versus GDP per Capita in 1960
Body sites where the peripheral pulse is most easily palpated
