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ChemistryThe Periodic Table of Elements III
The periodic table can be used to predict bonding patterns among different elements, based on...
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BiologyEcosystem Services
This module explores the role ecosystems provide in supplying humans with a wealth of life-supporting...
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Scientists and ResearchFrance Anne-Dominic Córdova
This module profiles the career of astrophysicist France Córdova, director of the National Science Foundation....
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