Researchers want to create a widely effective drug that targets viruses much in the same way that penicillin kills a wide range of bacteria. Science writer Carl Zimmer profiles the scientists who are developing these antiviral drugs, and the technology behind it, in his latest piece for Wired magazine.
Soul Made Flesh: The Discovery of the Brain and How It Changed the World is now out in paperback. Author Carl Zimmer writes about Thomas Willis, the scientist whose research on the workings of the brain during the 17th century became the basis of modern neurology. (This segment originally aired Feb. 9, 2004.)