There are 20 feet of blood vessels in each square inch of human skin.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
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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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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Typical optical distributor.
A typical air vane sensor with the cover removed. The movable arm contacts a carbon resistance path ...