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Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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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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To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

Changing leaf area: (a) following rainfall ocotillo plants of the Sonoran Desert develop leaves and Changing leaf area: (a) following rainfall ocotillo plants of the Sonoran Desert develop leaves and
Play provides these preschoolers with the ability to interact with one another, and develop their ph Play provides these preschoolers with the ability to interact with one another, and develop their ph
Long bones develop from several bony centers--one for the shaft and at least one for each end. The e Long bones develop from several bony centers--one for the shaft and at least one for each end. The e
By age 3, children develop scripts for common events such as eating at a restaurant. By age 3, children develop scripts for common events such as eating at a restaurant.
Routes of infection for pyelonephritis. Routes of infection for pyelonephritis.
Young recent immigrants often develop two identities Young recent immigrants often develop two identities
Video: Negative Feedback Regulation of Blood Pressure

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