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.
Nathan Seppa's Articles
- NewsInjections of olfactory ensheathing glial cells from the brain help severed spinal cords heal in rats.
- NewsAlcohol imbibed in modest quantities can disrupt the reflex that maintains blood pressure when a person stands up quickly, which may account for why some people faint when they down a few drinks and then stand up.
- NewsWomen taking estrogen are more prone to get breast cancer if they are also taking the hormone progestin.
- NewsScientists have successfully reversed diabetes in mice by harvesting immature pancreatic cells that make insulin from one mouse, growing them in culture, and transplanting them into a mouse with the disease, which then recedes.
- NewsNicotine may impair a molecule that's necessary for arousing people and other animals from sleep, an effect that could account for the heightened risk of sudden infant death syndrome in babies born to women who smoked during pregnancy.
- NewsA compound first identified as a possible culprit in Huntington's disease may be an indicator of cancers of the prostate gland and colon.
- NewsSpecially designed antibodies can thwart Ebola virus in mice by binding to a glycoprotein on the surface of virus-infected cells, suggesting a potential treatment for the lethal disease.
- NewsA vaccine that desensitizes the immune system to a protein inside blood vessels prevents some strokes in laboratory rats.
- NewsA new study in mice suggests that cyclopamine, a plant derivative that causes birth defects in animals, can inhibit medulloblastoma, a brain cancer in children.
- FeatureA 14-year study of twin babies shows definitively for the first time that there's a link between middle ear infections and heredity.