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ChemistryThe Mole and Atomic Mass
The mole is an important concept for talking about a very large number of things...
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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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BiologyGene Expression
Through a look at the devastating Tay-Sachs disease and other hereditary conditions, this module explores...
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