Baltimore Ravens linebacker Terrell Suggs waits on the field after the half the lights went out in the third quarter of Sunday's Super Bowl against the San Francisco 49ers in New Orleans. Mike Segar /Reuters /Landov hide caption

itoggle caption Mike Segar /Reuters /Landov

Randy Moss of the 49ers glides down the field, under an arcing football, on his way to a touchdown against the Patriots on December 16, 2012. Jared Wickerham/Getty Images hide caption

itoggle caption Jared Wickerham/Getty Images

More and more gluten-free beers are entering the marketplace. We asked a librarian with celiac disease for her list of favorites. Bill Chappell/NPR hide caption

itoggle caption Bill Chappell/NPR

The Volkswagen Super Bowl 2013 commercial is among the ads that already surfaced on social media. Some critics say its racial tone is demeaning. Volkswagen via Youtube hide caption

itoggle caption Volkswagen via Youtube

The brain of former NFL star Junior Seau, who committed suicide last year, showed signs of the kind of neurodegenerative disease associated with repetitive head trauma. Elsa/Getty Images hide caption

itoggle caption Elsa/Getty Images

Head coach Jim Harbaugh (left) of the San Francisco 49ers and his brother, head coach John Harbaugh of the Baltimore Ravens, before a game on Thanksgiving Day 2011. Their teams will meet again in the Super Bowl. Rob Carr/Getty Images hide caption

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M.I.A.'s now famous finger during halftime of the Super Bowl. Christopher Polk/Getty Images hide caption

itoggle caption Christopher Polk/Getty Images