Why does your hair stick to a balloon? What are fossil fuels made from? Why does ice cream feel cold when we eat it? Find out the answers to these questions and more in DKfindout! Energy, which features photographs of scientific experiments and illustrative examples of basic energy principles. From the discovery of fire to the development of the nuclear reactor, scientific breakthroughs throughout history have led to modern energy applications, like Marie Curie’s research on radioactivity, which is still used in cancer treatments today. Readers will also delve into future energy issues and their possible solutions.