With the possibility of a strike on Syrian targets, U.S. firms are trying to protect themselves from cyberattacks that may follow. iStockphoto.com hide caption

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Firms Brace For Possible Retaliatory Cyberattacks From Syria
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A little chilly for camping: Ice-penetrating radar revealed a mega-canyon below the Greenland ice sheet, extending for more than 460 miles. Courtesy of J. Bamber/University of Bristol hide caption

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Another 'Grand Canyon' Discovered Beneath Greenland's Ice
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American folk singer and activist Pete Seeger (left) adopted and helped popularize "We Shall Overcome" by teaching the song at rallies and protests. Here he sings with activists in Greenwood, Miss., in 1963. Adger Cowans/Getty Images hide caption

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The Inspiring Force Of 'We Shall Overcome'
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Flames burn near the Tuolumne Family Camp near Groveland, Calif., on Sunday. Noah Berger/EPA/Landov hide caption

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Elite Native American Firefighters Join Crews At Yosemite
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The headquarters of Menlo Innovations, a software design firm in Ann Arbor, Mich. At Menlo, there are no cubicles, few walls and no offices. Elise Hu/NPR hide caption

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Inside The 'Bossless' Office, Where The Team Takes Charge
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The Renaissance Street Singers give a performance at the Winterdale Arch, near the West 81st Street gate in Central Park. Joel Rose/NPR hide caption

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Atheists Take Old Hymns Out Of The Chapel And Into The Streets
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Demonstrators on Saturday in Washington, D.C., commemorate the 50th anniversary of the March on Washington for Jobs and Freedom. Kevin Lamarque/Reuters/Landov hide caption

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50 Years Later, A March On Washington Among Generations
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A family in western Kenya received this cow as part of a Heifer International program. NPR hide caption

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Cash, Cows And The Rise Of Nerd Philanthropy
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This may look like a mad scientist's garage sale, but it's actually the most precise clock ever built. Jim Burrus/NIST hide caption

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The World's Most Precise Clock Could Prove Einstein Wrong
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A puffin prepares to land with a bill full of fish on Eastern Egg Rock, off the Maine coast in July. Last year young puffins died at an alarming rate from starvation because of a shortage of herring. Robert F. Bukaty/AP hide caption

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On A Rocky Maine Island, Puffins Are Making A Tenuous Comeback
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Seattle law enforcement's mellow attitude toward pot was on display at this year's annual Hempfest, where the cops were at the gate — handing out bags of Doritos. Martin Kaste/NPR hide caption

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With Pot Legal In Washington, Will Buyers Stay Underground?
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From left, Garrett Berntsen, Jennifer Majer and William Shields compare notes at The Johns Hopkins University School of Advanced International Studies in Washington, D.C. Twenty-somethings have new choices under Obamacare. Heather Rousseau/NPR hide caption

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You Ask, We Answer: More Of Your Questions About The Affordable Care Act
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Ushio Shinohara is best known for his "boxing paintings" — performance pieces often created for an audience, in which he strikes at his canvases with gloves dipped in pigments — and for his fanciful, brightly colored sculptures of motorcycles adorned with all manner of extras. Radius/TWC hide caption

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'Cutie And The Boxer': Two Lives Entwined At Home, In Art
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Opponents of North Carolina's new voter ID legislation wear tape over their mouths while sitting in the gallery of the House chamber of the North Carolina General Assembly in Raleigh, N.C., on April 24, where lawmakers debated new voter laws. On Monday, Gov. Pat McCrory signed a new law that requires a state-approved photo ID to vote and cuts early-voting opportunities. Gerry Broome/AP hide caption

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In Rural N.C., New Voter ID Law Awakens Some Old Fears
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The olinguito is the first carnivore species to be discovered in the Western Hemisphere in 35 years. Courtesy of Mark Gurney hide caption

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Meet The Olinguito, The Newest Member Of The Raccoon Family
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