Great scientific questions and the scientists who answered them

Presents a study of how the brain works and offers information about neuroscience and theories in psychology as well as twenty-first century technologies involving brain research.

Traces the history of astronomy, explaining how scientists have been able to determine the size of the solar system. Includes a glossary.

Traces the development of the science of genetics and heredity from Mendel to Watson and Crick, exploring how genes help determine individual traits.

Chronicles the history of scientific research on the laws of motion, discussing the discoveries of ancient civilizations, Ptolemy, Copernicus, Kepler, Galileo, Newton, Einstein, and others, and the geometry of space. Also includes a glossary and lists of books, and Web sites.

Examines the history of the study of stars, and looks at what scientists have discovered about the sun and other stars from the color and intensity of the light they emit.