Highly detailed sonar systems aboard the research vessel Pritchard gave researchers a clear view of the sediment on the seafloor off Long Island. Courtesy of John Goff/University Of Texas hide caption

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Sand After Sandy: Scientists Map Seafloor For Sediment
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A United Airlines 787 Dreamliner arrives at O'Hare international Airport in Chicago in November. Aviation authorities in the U.S. and abroad have grounded the planes because of problems with batteries on board. Nam Y. Huh/AP hide caption

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Powerful But Fragile: The Challenge Of Lithium Batteries
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Much of the money from the Hurricane Sandy relief bill the House of Representatives passed will fund beach and infrastructure restoration projects in areas such as Mantoloking, N.J., seen on Oct. 31. Doug Mills/AP hide caption

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Experts Urge Caution As $50 Billion In Sandy Aid Passes House
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A woman with the Army Corps of Engineers documents a destroyed home last month in a residential area of New Dorp Beach on Staten Island in New York City. Robert Nickelsberg/Getty Images hide caption

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New York Planners Prep For A 'New Normal' Of Powerful Storms
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The Constantina Fire burning in Long Valley, Calif., in 2010, very likely started in cheatgrass. Courtesy of Nolan Preece hide caption

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In Arid West, Cheatgrass Turns Fires Into Infernos
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A forest near Trieste, Italy, is largely dead owing to drought stress during the summer of 2012. Andrea Nardini/Nature hide caption

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An Arbor Embolism? Why Trees Die In Drought
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Energy Of The Future? California company Sierra Energy is testing out a reactor that turns garbage — like these wood chips, metal fragments and plastics — into synthetic gas that can then be turned into a low-carbon diesel fuel. Christopher Joyce/NPR hide caption

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A 'Green' Gold Rush? Calif. Firm Turns Trash To Gas
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California begins a new plan to ration greenhouse gas emissions from large companies on Wednesday. Big companies must limit the greenhouse gases they emit and get permits for those emissions. Above, the Department of Water and Power San Fernando Valley Generating Station, in Sun Valley, Calif., in 2008. David McNew/Getty Images hide caption

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Calif. To Begin Rationing Greenhouse Gas Emissions
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Consolidated Edison workers try to repair damage near the New York Stock Exchange on Tuesday. Bloomberg via Getty Images hide caption

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Fixing NYC's Underground Power Grid Is No Easy Task
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Power Outage From Sandy One Of Biggest Ever In U.S.
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This artistic interpretation shows an adult and juvenile feathered ornithomimid dinosaurs. Julius Csotonyi/Science hide caption

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Hey, Sexy Dino, Show Me Your Feathers
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Actors Stan Laurel and Edna Marlon play at socializing around the campfire. It turns out that early man's brain developed in part thanks to cooking. Hulton Archive/Getty hide caption

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This image, from an archival video, shows the white whale NOC swimming around and under researchers' boats. Current Biology hide caption

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Baby Beluga, Swim So Wild And Sing For Me
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Scientists Solve Mystery Of Disappearing Salt Marshes
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A fragment of the meteor that crashed into Tissint, Morocco. Mark Mauthner/Heritage Auctions hide caption

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For Sale: A Chunk Of Mars
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