David Stipp has written about science, medicine, the environment and biotech since 1982 for The Wall Street Journal, Fortune, Salon, Science and other publications. He led Fortune‘s science and medical coverage from 1995 to 2005 as a senior writer, and from 1982 to 1995 covered science and medicine as a staff reporter at The Wall Street Journal. Over the past decade he has written extensively on the science of aging. During his career he has also covered, among other things, the Pentagon’s growing concern about the risk of abrupt climate change, the application of Darwin to medicine, childhood lead poisoning, new treatments for impotence, animal intelligence, and the effects of birth order on personality. In 1998 he won a National Association of Science Writers’ award for best magazine article, and in 1993-4 served as a Knight Fellow at the Massachusetts Institute of Technology.