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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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Process of ScienceUncertainty, Error, and Confidence
There is uncertainty in all scientific data, and even the best scientists find some degree...
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ChemistryThe Periodic Table of Elements II
This module traces the history of the periodic table of the elements. In the mid-1800s,...
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