Young scholars examine how to dispose of waste properly and discover how pollution affects plants and animals that live in streams. For this effects of waste lesson, students explore biodegradable detergents and the concept of dilution...

In addition to providing a definition of "integrity," this article has information on the various ways in which integrity manifests in popular culture, law, and science. Contains several links to articles on related topics.

A biography of Japanese stem cell researcher Shinya Yamanaka. Few medical discoveries have had the immediate impact that his did. He was able to transform normal human cells into stem cells. This extinguished the raging debate over the...