CHF offers a number of online resources that take a unique historical approach to teaching chemistry. New! Science Alive!   Science Alive! The Life and Science of Percy Julian Teach your students about chemistry through the life of chemist Percy Julian. New Look! New Features!   Chemical Achievers: The Human Face of the Chemical Sciences A CHF classic gets a new look. Our popular teaching tool has been redesigned, and new features have been added to make it easier to use. WebQuests Activities in the popular WebQuest format for use in your chemistry classroom. Suitable for high-school or freshman-level college courses. The Junkyard of Ideas Evidence for Atoms Powered by Chemistry The Chemistry Blimp The Great PVC Controversy The Great MTBE Controversy Teaching Modules These in-depth teaching tools highlight individuals who have made outstanding achievements in the history of the chemical and molecular sciences. Each module offers readings, hands-on activities, and additional resources, and is available in both teacher and student versions. Suitable for middle school and high school classes. Look for the NSTA SciLinks logo throughout, a mark of excellence in Web-based science education. Faces in the Molecular Sciences Series This series teaches chemistry by exploring the lives and work of real scientists. Special emphasis is placed on diversity and the work of women scientists and scientists in underrepresented racial and ethnic groups. Faces in Polymers Explores polymer chemistry by examining the lives and work of real scientists of diverse backgrounds Faces in the Environment Explores environmental chemistry by examining the issue of ozone depletion and the lives and work of real scientists of diverse backgrounds Pharmaceutical Achievers Series This series is the online companion to our print book Pharmaceutical Achievers, a collection of biographical sketches of notable scientists in the field of pharmaceutical research. Aspirin Adventures Explores the work of Felix Hoffman and the history and science of over-the-counter pain relievers Magic Bullets Highlights the contributions of Gertrude Elion and George Hitchings to cancer detection, treatment, and prevention Antibiotics in Action Features Alexander Fleming, Howard Florey, and Ernest Chain and their roles in the development of antibiotics and the treatment and prevention of infectious disease. Relevant to both chemistry and biology curricula.		Spinning the Elements An online exhibit about the invention of nylon