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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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Earth SciencePlate Boundaries
Earthquakes and volcanoes can reveal a lot about plate boundaries. This module looks at the...
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Scientists and ResearchUncovering the Mysteries of Chronic Mountain Sickness
The air has less oxygen at high altitudes, and the physiology of the body changes...
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