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Author Question: If a supersonic plane is flying at increasing speed as the temperature decreases, what happens to ... (Read 44 times) |
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.