Nathan Seppa has been the biomedical writer at Science News since 1997. Previously, he worked at the Wisconsin State Journal, a daily newspaper in Madison, where he inaugurated the science beat. In the 1980s, he covered energy and economics for the Dow Jones News Service in the Wall Street Journal's Washington Bureau. In the 1970s, Seppa served as a public health volunteer in the Peace Corps in Zaire, now Congo. He hails from the Upper Peninsula of Michigan, where he worked as a miner and gravedigger to pay his way through college. He has a B.S. in Sociology and a M.A. in Journalism. Nathan speaks French and knows enough Swahili to get out of a tight spot.