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ChemistryThe Periodic Table of Elements I
The modern periodic table is based on Dmitri Mendeleev’s 1896 observations that chemical elements can...
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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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BiologyThe Piltdown Hoax
The Piltdown Man was once hailed as the "missing link" in the evolution of apes...
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