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BiologyAdaptation
This module introduces the concept of evolutionary adaptation. It follows the development of Charles Darwin's...
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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 ScienceNatural Hazards and Risk
Tornadoes, earthquakes, tsunamis, and volcanic activity are all examples of natural hazards with the potential...
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