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The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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

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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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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Oasis in space: earthrise over the moon's horizon. Oasis in space: earthrise over the moon's horizon.
Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
Map of Mars from Hubble Space Telescope as seen near the 1999 opposition. (North top) Map of Mars from Hubble Space Telescope as seen near the 1999 opposition. (North top)
The Parallax of a Nearby Object in Space The Parallax of a Nearby Object in Space
A Connection to Interstellar Space A Connection to Interstellar Space
Earth emits radiation back out to space from all surfaces, both day and night Earth emits radiation back out to space from all surfaces, both day and night
Video: Wound Care

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