Examines the science behind the genetic modification of foods, looking at how it has been used to create crops that are resistant to pests and disease, encourage plant and animal growth, and add vitamins to common foods; and discusses why some people are opposed to the practice of genetically altering food.
Looks at how energy is used; shows how fossil fuels are harvested and used in power stations to produce electricity; studies ways of producing electricity from alternative sources; and considers ways to save energy.
Text and photographs examine weather elements including temperature, humidity, clouds, thunder, lightning, rain, and snow, as well as forecasting and climate.
An introduction to the life of tigers that profiles different types of tigers, and provides facts about habitat, hunting practices, diet, and other related topics.
