Coursera founders Andrew Ng and Daphne Koller are computer science professors at Stanford University. Jeff Chiu/AP hide caption

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Jeff Chiu/AP

Online Education Grows Up, And For Now, It's Free

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Vice President Richard Nixon listens as Sen. John F. Kennedy talks during their televised presidential race debate. This photo was made from a television screen in New York, Oct. 21, 1960. AP hide caption

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AP

The Man Who Jump-Started Presidential Debates

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President Obama speaks during a campaign event at University of Colorado Boulder Sept. 2. He and his Republican challenger, Mitt Romney, will have their first debate at the University of Denver on Wednesday. Pablo Martinez Monsivais/AP hide caption

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Pablo Martinez Monsivais/AP

Being 'Better Off' May Not Be Enough To Win Colo.

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Candidates Push For Colo. To Swing In Their Favor

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Insider Attacks Hinder Transition Out Of Afghanistan

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Supporters of opposition presidential candidate Henrique Capriles attend a campaign rally in Valencia, Venezuela, on Thursday. Capriles is running against President Hugo Chavez in the country's Oct. 7 election. Rodrigo Abd/AP hide caption

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Rodrigo Abd/AP

Venezuela's Young Voters Courted Heavily In Election

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Mohammed Naeem, a driver, holds up a framed photo of two relatives he says were killed by militant leader Abdullah near the western city of Herat. Soraya Sarhaddi Nelson/NPR hide caption

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Soraya Sarhaddi Nelson/NPR

The Tricky Business Of Reintegrating The Taliban

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President Barack Obama and Republican presidential candidate Mitt Romney both campaigned in the battleground state of Ohio this week. AP hide caption

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AP

Ohio County A Historic Predictor Of State's Vote

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Lorie Miller affixes a QR code to her grandparents' gravestone. Miller and her husband are launching a business that will supply QR tags and maintain a website featuring the deceased. Emma Lee/Newsworks hide caption

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Emma Lee/Newsworks

QR Codes For Headstones Keep Dearly Departed Close

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Archbishop John J. Myers stands outside Cathedral Basilica of the Sacred Heart in Newark, N.J. The archbishop has urged followers to assess the presidential candidates for their views on abortion and gay marriage. Mel Evans/AP hide caption

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Mel Evans/AP

What Winning The 'Catholic Vote' Means Today

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British Cabinet Minister Andrew Mitchell is accused of denigrating a police officer during an altercation over his bicycle. Dan Kitwood/Getty Images Europe hide caption

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Dan Kitwood/Getty Images Europe

U.K.'s Simmering Class Tensions Roil Over 'Plebe' Flap

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New York Times publisher Arthur Ochs Sulzberger in his office in 1973. Anthony Camerano/AP hide caption

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Anthony Camerano/AP

James Hoffa was last seen in the parking lot of a Detroit restaurant in 1975 CT/AP hide caption

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CT/AP

Jimmy Hoffa: Still Searching. Still Waiting.

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