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Scientists and ResearchPercy Lavon Julian
The module traces the life and career of organic chemist Percy Julian, who developed a...
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Earth ScienceFactors that Control Earth's Temperature
Based on how much sunlight hits Earth versus how much is reflected, Earth’s average temperature...
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Scientists and ResearchFrance Anne-Dominic Córdova
This module profiles the career of astrophysicist France Córdova, director of the National Science Foundation....
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