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Letters

Only in the north It is not clear in the fine article on volcanoes (“Disaster goes global,” SN: 8/30/08, p. 16) how dust from the eruption of Huaynaputina, well south of the equator, in 1600 could affect only the Northern Hemisphere. David Bronson, Biddeford Pool, Maine For one thing, there’s less real estate in the […]

‘National Greatness’ versus real national greatness by Frank Wilczek

From the October 11, 2008 issue of Science News.

Gene therapy tool would target free radicals

New method would make the most of the balance between the good and bad of free radicals, offering a potential treatment for cardiovascular diseases.