David Arkenstone

"'Core astronomy' is a unique approach to presenting in a logical way the discoveries relating to celestial objects, space and the physical universe as a whole, as well as the laws governing their behavior.... '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...

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 chemistry presents how each branch of chemistry - physical chemistry, organic chemistry and biochemistry - evolved from a clear understanding of the principles and laws of chemical interactions.

Documents the Native American struggle against European settlers.