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Earth ScienceIdentifying Minerals
Minerals are classified on the basis of their chemical composition, which is expressed in their...
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Scientists and ResearchThe Founding of Neuroscience
This module traces the beginnings of neuroscience, with a focus on two fathers of neuroscience...
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BiologyLipids
Fats, oils, waxes, steroids, certain plant pigments, and parts of the cell membrane – these...
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