analysis

Examines how forensic scientists gather and use DNA and body evidence to investigate crimes and presents related case studies as well as key facts.

Paul J. Lioy, an American environmental scientist, discusses the dust that was released from the terrorist attacks on the World Trade Center in 2001, describing his scientific findings and the environmental impact of the dust, the government focus on asbestos, and suggestions to prepare for future incidents.

Provides an opportunity to learn more aboutfood and the field of food science. Includes experiments that will help discover the science of many of the foods you eat every day.

Presents an introduction to forensic science, explaining how genetic material called DNA is used to unlock information that can not otherwise be recovered in solving crimes and other mysteries.

Presents highly magnified looks at a variety of food-related objects, including potato chips, garlic, yeast bubbles, salt crystals, and a salmonella bacterium.

Presents nine essays that trace the development of coal as an energy source and its effect on the global environment.