(3) YA Zimmer explains how chemical pollutants such as heavy metals and pesticides, as well as fossil and nuclear fuels, affect human and environmental health. Case studies include prominent events like Chernobyl and the Flint water crisis. Each chapter ends with a "What You Can Do" section encouraging readers to learn more and take action. Photographs and scientific diagrams are found throughout. Reading list, websites. Bib., glos., ind.

Reviewer: Danielle J. Ford

(3) YA After presenting basic facts about the brain and nervous system, Zimmer then discusses the growing knowledge of neuroscience throughout the twentieth century. Subsequent chapters explain the importance of fluorescence and genetic modification in furthering understanding of the brain and developing new treatments for Alzheimer's, Parkinson's, and other disorders. The fascinating survey includes clear color photos, micrographs, and diagrams. Reading list, websites. Bib., glos., ind.

Reviewer: Gail Hedges

(4) YA The fascinating ability of some organisms to produce their own light is examined in depth. Zimmer offers bland explanations of the biochemistry, the ways in which animals and bacteria use self-generated light, and the latest uses of technologies such as biofluorescent markers. Profiles of scientists, historical and modern, are included, along with numerous color photographs and diagrams. Reading list, websites. Bib., glos., ind.

Reviewer: Danielle J. Ford