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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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ChemistryThe Periodic Table of Elements IV
Chemical families are groups of elements that are located near each other on the periodic...
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Scientists and ResearchFrom Stable Chromosomes to Jumping Genes
This module profiles the groundbreaking research of biologist Barbara McClintock in the field of genetics....
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