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The average adult has about 21 square feet of skin.

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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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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.

The “Big Four” world leaders meet at the Hotel Crillon in Paris, 1919. From left to right (front row The “Big Four” world leaders meet at the Hotel Crillon in Paris, 1919. From left to right (front row
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The tools and equipment needed to perform a compression test include a compression gauge, an air ... The tools and equipment needed to perform a compression test include a compression gauge, an air ...
Processes of Lightning Formation: Leaders, Strokes, and Flashes Processes of Lightning Formation: Leaders, Strokes, and Flashes
Most elderly enjoy maintaining relationship with their grandkids Most elderly enjoy maintaining relationship with their grandkids
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Video: Morphology of a tomato plant

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