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Simple text and photograph illustrations explains how some materials are recycled and reused.

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Fossil fuels are running out and destroying our environment. Never fear! There is an energy revolution afoot. Clean energy technology is getting cheaper, and jobs in these fields are growing. This series will introduce young readers to the science and engineering behind four of the most common sources of clean energy being used today: solar, wind, geothermal, and hydropower.

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Explore the lives and careers of some of the world's greatest inventors and scientists. These books look at their childhood and education, their sources of inspiration, challenges faced, early successes, and the discoveries or inventions for which they are best known.

Thomas Edison wasn't just an inventor. He was also a physicist and businessman. Young readers will discover how he became a great scientist whose inventions meant a better life for many people.

Johannes Gutenberg wasn't just an inventor. He was also a goldsmith, printer and publisher. Young readers will discover how this man found a way to bring information to people near and far.

Ada Lovelace wasn't just a mathematician. She was a pioneer in computer programming. Young readers will learn how this woman who lived 200 years ago helped the world view machines and numbers in new ways.

Explore the lives and careers of some of the world's greatest inventors and scientists. From their childhood and education through to their sources of inspiration and the challenges they faced. Learn about the discoveries and inventions for which they are best known.

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