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General ScienceTemperature
An introduction to the relationship between energy, heat and temperature. This lesson compares the 3...
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BiologyTracking Human Ancestry
Using genetic markers passed down through the male or female line, scientists can construct family...
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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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