Peanut butter was just one of several recent food recalls that sparked action on a food safety bill. John Bazemore/ASSOCIATED PRESS hide caption

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Some scientists doubt the findings of a report that suggests widespread chromium contamination of drinking water. Elena Elisseeva/ hide caption

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Natasha Smahlei, a model, works at the Caitlin Raymond International Registry exhibit in October during the New England Business Expo at the DCU Center in Worcester, Mass. Paul Kapteyn/Courtesy of hide caption

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A fire department cadet monitors a Christmas tree on fire during a holiday safety demonstration on Dec. 9 in Menlo Park, Calif. Justin Sullivan/Getty Images hide caption

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