It seems hard to believe that Dolly the cloned sheep was born 10 years ago, kindling furious arguments over the prospects and ethics of cloning a human. Today, the controversy over cloning is entwined, often confused, with concerns over the use of human embryonic stem cells. Most people are unclear what cloning is, and they know even less when it…

The potential for personalized cancer management has long intrigued experienced researchers as well as the naive student intern. Personalized cancer treatments based on a tumor's genetic profile are now feasible and can reveal both the cells' susceptibility and resistance to chemotherapeutic agents. In a weeklong laboratory investigation that…

We examine the science and pedagogy behind a historical approach to the professional development of pre-college science (primarily biology) teachers. Our intention is to reach professional scientists, who, as a group, are uniquely qualified to provide experience and insights essential to this approach. The underlying research for this article has…