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
- NewsRight-handed golfers using a conventional grip move their head and eyes more during putts than they do when using a cross-handed or one-handed grip, suggesting these alternative grips might work better.
- NewsA compound made during inflammation, a natural reaction to injury, can induce optic nerve regeneration in a lab-dish concoction including rat retinal ganglion cells.
- NewsScientists have developed a test that uses the eye's ability to adapt to darkness as a test for age-related macular degeneration, the most common cause of blindness in elderly people.
- NewsScientists studying rats have now developed a medication that wards off chemotherapy-induced baldness.
- NewsProstate cancer patients who harbor high concentrations of a protein called thymosine beta-15 in their tumors face an increased risk that the cancer will spread.
- NewsA drug that turns off a gene that blocks the action of chemotherapy in melanoma shows promise against this lethal skin cancer.
- NewsEstrogen receptors proliferating on tumor cells in women's lungs may account for why women seem more easily affected by the carcinogenic effects of tobacco smoke.
- NewsAn inexpensive test for two proteins in the blood can indicate whether women with breast cancer that hasn't yet spread to lymph nodes are likely to face such a relapse after surgery.
- NewsOxygen treatment for serious carbon monoxide poisoning prevents long-term brain damage best if delivered as pressurized gas.
- NewsSome breast cancer patients without a mutation in the BRCA1 gene nevertheless have an incapacitated gene, silenced by a process called hypermethylation of nearby DNA.