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Core chemistry
30:04

Core chemistry

This program shows why the future problems of energy, food, medicines and materials are the problems of chemistry. No science is more at the core of every technology that supports the seven billion people living on the planet today than chemistry. ...

Core astronomy
38:21

Core astronomy

Core Astronomy examines the key points in the development of astronomy, beginning with Greek astronomer Ptolemy's Earth-centered paradigm to Nicolas Copernicus' introduction of a sun-centered solar system, and Isaac Newton's three laws of motion. It...

Core geology
32:47

Core geology

Not since the discovery of gold in 1848 has understanding of the world's geology been more important to the welfare of the nation. Throughout history, the rise and fall of civilizations has been propelled by the abundance and scarcity of valued res...