Explores some of the major environmental challenges the world faces in the areas of food production, rising obesity rates in the developed world, and famine and hunger in underdeveloped nations.
Presents an investigation of control technology, explaining the sequences by which things work, and provides instructions for writing control sequences for the computer.
Contains an introduction to computer systems, in simple text with illustrations, including information on how computers work, how they store information, and how they create databases.
A history of mathematics, discussing where numbers come from, special numbers and sequences, early geometry, the birth of algebra, and other related topics.
Identifies creative and media career opportunities, providing descriptions of actors, sound engineers, journalists, designers, and others, with information on responsibilities and training, and profiles of workers in the field.
Describes the history of pandemics and infectious diseases, how they spread and are tracked, and ways we can fight and prevent pandemics. Includes charts and maps.
Talks to drug users, providing an inside look at the psychological, physical, and social effects of drug addiction, the reasons people begin to abuse or deal drugs, drug smuggling, and the question of legalization.
Presents an introduction to computers, in simple text with illustrations, providing information on the Internet, virtual reality, special effects, artificial intelligence, robotics, cybercrime, and more. Includes time line and glossary.
Explores the work of charity and volunteer organizations that help respond to emergencies and provide natural disaster relief around the world. Offers advice on volunteering with emergency response charities.