We speak with John Horgan about the end of war. John Horgan is a science journalist and Director of the Center for Science Writings at Stevens Institute of Technology, Hoboken, New Jersey. A former senior writer at Scientific American (1986-1997), he has also written for The New York Times, National Geographic, Time, Newsweek, The Washington Post, Slate and other publications. He writes the "Cross-check" blog for Scientific American and produces "Mind-Body Problems" for the online talk show Bloggingheads.tv. He tweets as @horganism.

We are asking educators to write about their classes and the course materials they use. The goal is to provide high school and college teachers with ideas for courses they might teach and the resources that exist.