A cross-section of skeletal muscle in this light micrograph shows the individual, parallel muscle fibers (red). These fibers work in concert to power movement. Thomas Deerinck, NCMIR/ScienceSource hide caption

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Experimental Technique Coaxes Muscles Destroyed By War To Regrow

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Toronto Mayor Rob Ford is surrounded by the media as he waits for an elevator outside his office at Toronto City Hall on November 15. Geoff Robins /AFP/Getty Images hide caption

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The gurney in the execution chamber at the Oklahoma State Penitentiary is pictured in McAlester, Okla., in 2008. Legal pressures and concerns from European manufacturers have made traditional execution drugs unavailable to states. AP hide caption

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Whether the error in Supreme Court Justice Antonin Scalia's recent dissent was originally his fault or a clerk's doesn't make it less cringeworthy. Alex Wong/Getty Images hide caption

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Oklahoma Gov. Mary Fallin issues a statement to the media after the execution of Clayton Lockett. Oklahoma Secretary of Safety and Security Michael C. Thompson stands behind her at the Oklahoma State Capitol in Oklahoma City. Alonzo Adams/AP hide caption

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After the University of Michigan increased its efforts to prevent sexual assaults on campus, reports increased by 113 percent. Erin/Flickr hide caption

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Campus Rape Reports Are Up, And Assaults Aren't The Only Reason

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Andy Leer of maker space chain TechShop calibrates a 3-D printer at a GE-sponsored pop-up workshop in Washington, D.C. Maker spaces, which offer access to industrial-grade tools, are attracting support from governments and big companies like Ford and Lowe's. Gary Cameron/Reuters/Landov hide caption

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High-Tech Maker Spaces: Helping Little Startups Make It Big

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Nat West, owner of Reverend Nat's Hard Cider in Portland, Ore., uses sweet apples to make cider, and gives it an extra kick with ginger juice, herbal tonics, coffee and hops. Courtesy of Reverend Nat's Hard Cider hide caption

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Twitter CEO Dick Costolo says the company has to bridge the gap between the brand's global awareness and user engagement. Ethan Miller/Getty Images hide caption

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Twitter CEO Hopes To Attract Users By Clearing The Clutter

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Minimum Wage Raise: Blocked For Now, May Live Again In Campaigns

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Slow Growth For U.S. Economy, But Fed Plans Are Full Speed Ahead

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