American farms like this iceberg lettuce field owned by Duda Farm Fresh Foods outside Salinas, Calif., are facing a dwindling supply of farmworkers from rural Mexico. Kirk Siegler hide caption

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Why An Immigration Deal Won't Solve The Farmworker Shortage

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With instant messages buzzing, emails pinging and texts ringing, how can employers increase productivity in the workplace? Software companies are tackling the problem, tracking employees' computer time to find ways to improve their efficiency. iStockphoto.com hide caption

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When It Comes To Productivity, Technology Can Hurt And Help

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Company Touts Shirt That Could Be Worn 100 Days In A Row

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Rail Planners Aim To Re-'Train' L.A.'s Car Culture

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Virgin Galactic Reaches Milestone In Space Tourism Industry

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Treasury To Make First Paydown On National Debt In 6 Years

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Paul Applewhite of Applewhite Aero isn't allowed to fly this 3-pound Styrofoam plane. That's because he has added circuitry to make it autonomous — it can find its way to specified coordinates — which means it's an unmanned aerial vehicle requiring a special testing permit. Martin Kaste/NPR hide caption

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Will Bureaucracy Keep The U.S. Drone Industry Grounded?

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Californian State Assemblyman Richard Pan (center) is the author of legislation that would bar higher prices for health insurance sold to smokers. Rich Pedroncelli/AP hide caption

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Why Calif. Doesn't Want Smokers To Pay More For Health Insurance

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Beekeepers demonstrate at the EU headquarters in Brussels Monday, as lawmakers vote on whether to ban pesticides blamed for killing bees. Georges Gobet/AFP/Getty Images hide caption

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What is a "tea blend?" Sasha/Courtesy of Adagio Teas hide caption

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