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Searched for: Publisher is WGBH Educational Foundation
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In July 1991, the alignment of the Sun, Moon, and Earth produced a total solar eclipse with a particularly long duration and a path that crossed easily accessible locations, including a major astronomical observatory in...
This video segment points out that we are consuming fossil fuels at a rate far faster than they can be produced in the Earth, and that combustion of these materials to produce energy releases carbon dioxide, a...
In this video segment, Dr. Ayanna Howard, a robotics engineer at NASA's Jet Propulsion Laboratory, describes the process of designing and developing robotic devices to act as surrogates for humans in planetary...
All the stars in the universe, including the Sun, are nuclear furnaces fueled by fusion. Beginning with the fusion of hydrogen and continuing with fusion of successively heavier elements, stars form all the naturally...
Venom is a powerful substance used by many creatures on this planet, but how does it work? What purpose does it serve? The good folks at NOVA have crafted this fine documentary on venom in order to "track down and...
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