California Gov. Arnold Schwarzenegger OKed a bill that requires school districts to offer students free water. Paul Sakuma/AP hide caption

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Geochemist Gabriel Filippelli in an Indianapolis garden. Filippelli's research shows that many urban gardens may have soil contaminated with lead Courtesy of Gabriel Filippelli hide caption

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California state Sen. Mark Leno sponsored a bill to require schools to offer free drinking water to students. Rich Pedroncelli/AP hide caption

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European regulators have decided to take Avandia off the market. FDA will allow further sales, with heavy restrictions. Justin Sullivan/Getty Images hide caption

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After recalls of a half-billion eggs, we will hear from the family tied to the farms at the center of the outbreak today. Charlie Neibergall/AP hide caption

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