Explains how the sense of smell works; discusses how it affects taste, warning smells, animal noses, and other related topics; and includes a related activity.
Explains how the sense of hearing works; describes ears; discusses animal hearing, sounds, problems with hearing, and other related topics; and includes a related activity.
Examines some of the interesting and controversial developments and theories in modern science, focusing on the search for inexpensive, renewable energy sources, with discussion of biopower, and wind, wave, solar, geothermal, and nuclear energy.
Examines issues related to water, including the different sources, wastewater, pollution, droughts, the problem of supplying clean water to the world's increasing population, and more.
Presents a study of the different animals in the weasel family such as polecats, skunks, otters, wolverines, and badgers, and discusses their habitats, what they eat and how they hunt, and how they protect their young.
Provides an introduction to insect-eating mammals, explaining what they are, and discussing where they live, what they eat, how they find food, how they move, their behaviors, and the lives of baby insect eaters.
Provides information about the physical characteristics, types, habitats, movement, senses, hunting and eating behaviors, communication, and life cycle of tigers, and discusses their endangered status.
An exploration of energy that covers what it is, how it is measured and transferred, heat, energy stores, electrical energy, energy conversion by motors and engines, energy and matter, and renewable energy resources.
