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ChemistryAtomic Theory I
The 19th and early 20th centuries saw great advances in our understanding of the atom....
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BiologyDiscovery and Structure of Cells
Cells are the basic structural and functional unit of life. This module traces the discovery...
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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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