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BiologyPaleontology and the Fossil Record
Paleontologists study fossils to understand ancient organisms. While fossils might look simple enough, they provide...
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PhysicsThermodynamics I
Without heat flow, nothing can move, no chemical reactions can take place, and no machines...
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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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