Explains the structure of DNA and how its code works. Explores the related issues of genetic engineering, gene therapy, stem cell research, and cloning.
Provides answers to a number of questions concerning nuclear energy including where it comes from, the disasters at both Three Mile Island and Chernobyl, and the ways in which nuclear waste is disposed.
Provides information about various types of fossil fuels, including coal, oil, and natural gas, discusses the role of fossil fuels in the Industrial Revolution, and examines the impact of such energy sources on the environment.
Looks at some of the energy alternatives to nuclear and fossil fuels, including solar energy, hydroelectricity, wave power, and others; and discusses the importance of renewable energy resources for the future and the environment.
Colorful photographs and simple text teach children about different types of fungi, exploring how they reproduce, grow, and survive in unique environments around the world.
Explains how flowers grow and adapt to conditions, discussing roots, leaves, seeds, pollination, the roles flowers play in ecosystems, and other topics.
Describes new technologies in medicine such as advanced imaging techniques, artificial limbs, designer drugs, gene therapies, stem cells, and nanotech medicine that are helping people live longer, and discusses future medical technology.
Text, maps, and mazes follow the journeys of ten explorers, including Leif Erikson, Marco Polo, Vasco da Gama, David Livingstone, and Neil Armstrong and "Buzz" Aldrin.