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

itoggle caption Paul Sakuma/AP

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

itoggle caption Courtesy of Gabriel Filippelli

Rachel Bateman, 9, has braces to correct an overbite. Her orthodontist opted not to use expanders to expand her upper arch. Mike Ruocco/NPR hide caption

itoggle caption Mike Ruocco/NPR

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

itoggle caption Rich Pedroncelli/AP

Martin Gill (left), foster father of two brothers, and attorney Robert Rosenwald smile after an appeals court upheld a lower court's finding that Florida's strict ban on adoption by gay people is unconstitutional. Alan Diaz/AP hide caption

itoggle caption Alan Diaz/AP