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PhysicsThe Nature of Light
For centuries, controversy over whether light is made of particles or waves abounded. This module...
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Scientists and ResearchCollaborative Research in the Arctic Towards Understanding Climate Change
Biological oceanographer Kevin Arrigo investigates questions about changes in polar ecosystems due to a changing...
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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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