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PhysicsGravity
Isaac Newton's description of gravity was not the first explanation of this phenomenon, nor was...
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Earth SciencePlate Boundaries
Earthquakes and volcanoes can reveal a lot about plate boundaries. This module looks at the...
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Scientists and ResearchBernardo Houssay
Dr. Bernardo Houssay was a pioneering researcher of the endocrine system, the system of glands...
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