HIV/AIDS is the most devastating disease in human history. More than 25 years after its discovery, scientists and medical researchers are still struggling to find a cure and a vaccine. Today, there are more than 40 million people living with AIDS ...

There are two kinds of energy sources from nonrenewable resources: fossil fuels and radioactive energy sources. Your readers will learn about a variety of products made from nonrenewable resources such as clay. Students also learn about the effect...

Testicular cancer accounts for about 1 percent of all cancers in males in the United States and is found most often in males between the ages of fifteen and thirty-five. Students learn about the risk factors for developing testicular cancer, the s...

Muscular dystrophy (MD) is a genetic disorder that gradually weakens a person's muscles. It is caused by missing or incorrect genetic information in the body's cells. The person's body is unable to make the proteins needed to build and maintain he...

When we're hungry, we are often more concerned with quashing the hunger than the quality of what we're eating. This book looks at processed food, which might have started as whole, healthy foods, but are now milled, coated or mixed with salt and p...

Biofuels are a much-needed sustainable energy source. Readers are introduced to this great source, which is plant and animal waste. Biofuel options, including biogas, ethanol, and biodiesel are fully explored. Related issues are also discussed, su...

Platinum (Pt), a transition metal, was well-known in South America by metalworkers, long before Christopher Columbus crossed the Atlantic. Platinum was used in jewelry and ornaments, and valued because it did not tarnish like silver. The Spanish c...

All people want their time and effort to be valued. Anyone wants to trade his or her time and effort for fair value. That's what fair trade is about--making fair deals locally, nationally, and internationally. This compelling book engages students...

This title uncovers the properties and classification of this shiny, red-orange metal and its chemical makeup. Students will learn how elements are placed on the periodic table and why copper is a transition metal. Two experiments are included.

Young people who have a desire to work with Nature will learn about careers in sustainable agriculture. Careers include organic farmer, farm manager, greenhouse worker, research scientist, beekeeper, environmental engineer, rancher, and tree surge...