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Aeronautics is the science of flight as well as the theory and practice of aircraft navigation. Any machine that flies through the air falls into t...
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Designed for children ages 8 to 14 and written in an entertaining style, the story shares the search for answers by students in a Sunday school c...
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This program looks at how our bodies acquire and process energy for everyday life. Explore two different physiological systems that work together ...
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Eyes are one of the most overworked organs. We depend on our eyesight daily and often don‰۪t realize how much until something goes wrong. Visi...
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