This edition includes six fascinating articles. You'll learn the secrets of effective leadership and hear how language influences our choices - from foods we eat to the laws we support. Also, discover how experts are finding out how acts of violence in schools can be predicted. Then, find out how the brain balances social concerns with economic decisions. Next, learn about the two to three percent of the population that can't recognize faces. Finally, hear why students are dropping out of college.
Tim Pinkston has built a massive chemistry set in the middle of a longleaf pine forest in eastern Mississippi. "I'm so happy to see it come to fruition," says Pinkston, a rangy engineer with owlish eyes, during a tour of the Kemper County Energy Facility on a warm summer morning.
Countries are altering their nuclear arsenals, prompting the U.S. to refurbish its own warheads. America's proposal to build the first new nuclear warhead in two decades is rasing a host of questions. Learn more in this article, "A Need For New Warheads?", from the November 2007 edition of Scientific American.