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EarthStudy links dioxin to breast cancer
A new study finds support for the long-proposed hypothesis that dioxin, a hormonelike pollutant, can trigger breast cancer in heavily exposed women.
By Janet Raloff -
Corporal punishment takes research hit
A review of 88 studies concludes that corporal punishment, such as spanking, yields no psychological or behavioral benefits for children and may prove harmful in some cases.
By Bruce Bower -
AstronomyAn assault on comets
Over the next few years, a trio of comet missions, one of which was launched recently, promises to provide the closet look yet at the core of these icy relics from the formation of the solar system.