Keith Ballard, right, of the Vancouver Canucks is tripped by Colin Fraser of the Los Angeles Kings for a penalty during game in Los Angeles on April 18. Researchers studying hockey penalties found that teams wearing black jerseys were far more likely to draw penalties than teams wearing other colored or white jerseys. Harry How/Getty Images hide caption

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Power (Dis)Play? Teams In Black Draw More Penalties

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Many Web users have little idea about how, or when, they're being tracked. In this 2011 photo, Max Schrems of Austria sits with 1,222 pages about his activities on Facebook — the company gave him the file after he requested it under European law. Ronald Zak/AP hide caption

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To Read All Those Web Privacy Policies, Just Take A Month Off Work

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Each year, millions of Americans don't fill their prescriptions because they can't afford to. Maya Kovacheva Photography/iStockphoto.com hide caption

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On days she comes to school hungry, K. Suchitra (center) knows she can eat at school. Ryan Lobo for NPR hide caption

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Indian Engineers Build A Stronger Society With School Lunch Program

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Future U.S. senator and presidential candidate John Kerry poses with crewmates during the Vietnam War in this file photo. An attack on his service by a group calling itself the Swift Boat Veterans for Truth is remembered as a turning point in the 2004 election. But political scientists say negative ads might not be that effective. AP hide caption

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Do Negative Ads Make A Difference? Political Scientists Say Not So Much

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Do Big Salaries For Coaches Guarantee Team Wins?

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President Obama signs the Affordable Care Act in the East Room of the White House on March 23, 2010. Data suggest that racial attitudes of ordinary Americans shape both how they feel about the health care overhaul and how intense those feelings are. Chip Somodevilla/Getty Images hide caption

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How Do Racial Attitudes Affect Opinions About The Health Care Overhaul?

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Why Compromise Is A Bad Word In Politics

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Republican presidential candidates Rick Santorum and Mitt Romney clashed often during Wednesday's GOP debate. Jae C. Hong/AP hide caption

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Inconsistency: The Real Hobgoblin

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Do NASCAR Races Contribute To Motorists' Wrecks?

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Why Twitter Ties Resemble Airline Hub Maps

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CEO's Voice Tone Can Speak Volumes

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Google Searches Are A Window Into Our Culture

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Marriage Economy: 'I Couldn't Afford To Get Divorced'

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What's Behind A Temper Tantrum? Scientists Deconstruct The Screams

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