Sean Morey, then with the Arizona Cardinals, celebrates after blocking a punt against the Seattle Seahawks in 2007. Morey, who suffers from post-concussion syndrome, retired from the NFL in 2010 on the advice of doctors. Stephen Dunn/Getty Images hide caption

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Sidelined By Brain Injury, Ex-NFL Player Copes With 'Desperation'

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Gas flaring near Highway 85 southwest of Williston. Analysts estimate that almost 30 percent of the gas being produced in the state is burned off. Jeff Brady/NPR hide caption

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Much Of North Dakota's Natural Gas Is Going Up In Flames

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Graduate student Jennifer Klunk of McMaster University examines a tooth used to decode the genome of the ancient plague. Courtesy of McMaster University hide caption

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Ancient Plague's DNA Revived From A 1,500-Year-Old Tooth

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Tucker West started in luge when he was 6. Brett West hide caption

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A Homemade Wooden Luge Track Launches Teen To Sochi

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Ford's use of a moving line reduced a car's assembly time from 12 hours to 93 minutes, but this made the work repetitive for workers like the ones here, who are making flywheels. So Ford paid workers $5 a day, an extraordinary amount at the time. AP hide caption

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The Middle Class Took Off 100 Years Ago ... Thanks To Henry Ford?

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Chad Goller-Sojourner (center) and his family. Courtesy Chad Goller-Sojourner hide caption

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Growing Up 'White,' Transracial Adoptee Learned To Be Black

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A group called StudentRND throws 24-hour code-a-thons for programmers of all backgrounds and skill levels. Coders show up at noon on Saturday, pitch ideas, form teams and code through the night trying to finish by noon on Sunday. Above, StudentRND participants work at a 2011 CodeDay in Seattle. StudentRND hide caption

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Computers Are The Future, But Does Everyone Need To Code?

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Computer networks and GPS systems are only possible because of the precision timekeeping of atomic clocks like the one above, says clockmaker and physicist Jun Ye. Ye Group and Baxley/JILA hide caption

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Tickety-Tock! An Even More Accurate Atomic Clock

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Bronx native Johnny Torres says he was addicted to drugs before he found Jesus in the Charismatic Catholic movement. Marlon Bishop/Latino USA hide caption

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A Different Kind Of Catholicism Grows In Latino Communities

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Adam Cole/NPR

Should Farmers Give John Deere And Monsanto Their Data?

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Pope Francis waves to faithful during the Angelus prayer from his studio overlooking St. Peter's Square at the Vatican on Sunday. President Obama will meet with the pope for the first time in March. Alessandra Tarantino/AP hide caption

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Finding Common Interests, Obama And The Pope Set A Date

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Kendall Schrantz, center, stretches after a class at Downsize Fitness in Fort Worth. Lauren Silverman for NPR hide caption

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In These Gyms, Nobody Cares How You Look In Yoga Pants

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Tracks from NASA's Opportunity rover disappear toward the horizon on the Meridiani Plains of Mars. The rover has been on the planet since 2004. NASA/JPL-Caltech/Cornell University hide caption

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Mars Or Bust: Putting Humans On The Red Planet

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MetLife Stadium in New Jersey will hold the 2014 Super Bowl. The stadium gets a break on local property taxes. Julio Cortez/AP hide caption

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The NFL: Big Business With Big Tax Breaks

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President Barack Obama talks about National Security Agency surveillance Jan. 17 at the Justice Department in Washington. Seeking to calm a furor over U.S. surveillance, the president called for ending the government's control of phone data from hundreds of millions of Americans and immediately ordered intelligence agencies to get a secretive court's permission before accessing the records. Carolyn Kaster/AP hide caption

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5 Takeaways From The President's NSA Speech

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