Scientists and Their Works
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We enjoy reading about the accomplishments of Lazzaro Spallanzani, Tycho Brahe, Martin Klaproth, Amedeo Avogadro, Louis Agassiz, Henry Moseley, Ignaz Semmelweis, Elie Metchnikoff, and Simon Marius. We also learn how elements107 to 118 were synthesized. We study the polymorphs of silicon dioxide, specific heat, pyrolysis, transponders, the planets Mercury and Venus, etc.