Juettner, Bonnie

Examines the world's energy sources, looks at how energy is managed, explores the question of whether the world is exhausting its energy supplies, and considers the future of energy.

An overview of skin cancer that discusses risk factors and diagnosis, actinic keratoses, basal and squamous cell carcinomas, melanoma, conventional and alternative treatments, and research. Includes a glossary, contact information for organizations, and suggestions for further reading.

Introduces children to different types of lights, both manmade and natural, explaining how they are created, what they are used for, and how they have changed throughout history.

Examines contrasting opinions on the dangers of childhood obesity, how serious a problem it is, its causes, and what can be done to prevent it.

Explains what nuclear power is, discusses some of the benefits and drawbacks of nuclear power use, and looks at the future of nuclear power.