Offers practical strategies for reducing air, water, and biological pollution created by agriculture. Includes fact boxes, color photographs, a glossary, and further resources.
Explores the history of gene therapy and explains how this medical process works. Details the benefits of gene therapy and its uses in a variety of situations. Includes color photographs, a timeline, a glossary, and further reading sources.
Examines the history of the scientific method and describes each of its components, which include making observations, asking questions, creating hypotheses, doing experiments, and looking for patterns in the results.
Chronicles the development of traditional vehicles that use internal combustion engines and describes the creation of new vehicles that use hybrid or electric power. Examines the potential for these vehicles to cut down on carbon dioxide emissions and considers how long it will take for these types of vehicles to become the norm.