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Scientists and ResearchPercy Lavon Julian
The module traces the life and career of organic chemist Percy Julian, who developed a...
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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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BiologyTracking Human Ancestry
Using genetic markers passed down through the male or female line, scientists can construct family...
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