Florida's Mangroves Move North As Temperatures Rise

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In Jiaonan county, the Qi wall incorporates outcrops of bedrock. Linda Nicholas/The Field Museum hide caption

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Centuries Before China's 'Great Wall,' There Was Another

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The Brazilian agricultural sector exported for a value of $94,590 million in 2011. One of its largest exports is soybeans, like these in Cascavel, Parana. Werner Rudhart/DPA /Landov hide caption

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More People Have More To Eat, But It's Not All Good News

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Research excavations like these in Siberia's Denisova Cave are yielding clues to the mating choices of early hominids. Bence Viola/Nature hide caption

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Mixing It Up 50,000 Years Ago — Who Slept With Whom?

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Scientists Battle Over Fate Of Yellowstone's Grizzlies

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Sediment samples from the seafloor near Long Island. UT Austin Institute for Geophysics hide caption

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Long Island Wins Ultimate Faceoff Against Hurricane Sandy

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The EPA tries to keep track of all sorts of methane producers — including herds of methane-belching cattle. Emmett Tullos/Flickr hide caption

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U.S. May Be Producing 50 Percent More Methane Than EPA Thinks

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The wreckage in Tacloban, Philippines, on Nov. 16 was overwhelming, after Typhoon Haiyan plowed through. David P. Gilkey/NPR hide caption

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How And Where Should We Rebuild After Natural Disasters?

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The beef rib mummy that the researchers tested came from the tomb of Yuya and Tjuiu (sometimes spelled Tuyu). Seen here is a mask of Tjuiu, made out of gilded cartonnage, that was also found in their tomb. Andreas F. Voegelin/AP/Museum Of Antiquities Basel hide caption

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Trout fishing is big business in Montana, bringing in tens of millions of dollars annually. Tom Murphy/Getty Images/National Geographic hide caption

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A Rancher And A Conservationist Forge An Unlikely Alliance

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Native Westslope cutthroat trout and bull trout swim in the cool waters of the Flathead River near Glacier National Park, Montana. Jonny Armstrong/USGS hide caption

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As Climate Warms American West, Iconic Trout In Jeopardy

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In Typhoon-Heavy Western Pacific, Preparation Can Only Go So Far

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The Large Stone Carving is the heaviest stone in the Forbidden City in Beijing. It was believed to have weighed more than 300 tons when it was first transported to the site between 1407 and 1420. DEA/ W. Buss/De Agostini/Getty Images hide caption

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How'd They Do That? The Story Of A Giant Rock And A Road Of Ice

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The Rockaway section of Queens, in New York City, was hit hard by Superstorm Sandy. Many people in the neighborhood, shown here on October 30, 2012, lost power. Spencer Platt/Getty Images hide caption

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In Sandy's Wake, Flood Zones And Insurance Rates Re-Examined

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Researchers excavated the remains of five creatures who lived 1.8 million years ago, including this adult male skull. The excavation site, in Georgia in the former Soviet Union, was home to a remarkable cache of bones. Courtesy of Georgian National Museum hide caption

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Fossil Find Points To A Streamlined Human Lineage

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