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When Stanford professor Andrew Ng put one of his classes online, more than 100,000 students signed up. Now he's co-founded a company, Coursera, with the potential to give millions of students free access to classes from Stanford, Princeton, the University of Pennsylvania and other schools.

China's "Tianhe-2" (Milky Way 2) supercomputer took first place in one recent speed test, clocking in at 30 quadrillion calculations per second--about twice as fast as the best American machines. The U.S. still has more supercomputers than any other nation, but some experts say computer speed is a measure of a country's scientific innovation, and worry the U.S. is lagging behind.

The legendary singer had equally outsized eating habits, including his famous affinity for peanut butter, bananas and bacon. Celebrity chef Sean Brock has created a drink in the King's honor.

Most notably, a 22-year-old German wide receiver could be the first player drafted straight from Europe to the NFL.

The NFL's traditional Thanksgiving Day games have football fans excited. If the day has a theme, it could be "grudge match." The Dallas Cowboys have a shot at repairing their pride injured in 1993; Green Bay and Detroit's game has echoes of 1962; and in the final game, two brothers will coach opposing teams for the first time in NFL history.

Joe Nocera is among critics who say that college athletics are an exploitative system. In a business that takes in $6 billion in revenue annually, should players get compensation beyond their scholarships? Nocera talks with guest host Jacki Lyden about his plan to make things right.

The women's finals in the Australian Open are already over. In baseball, power-hitter Prince Fielder has returned to his childhood team, the Detroit Tigers, for which his father played. Host Scott Simon talks sports with Howard Bryant of ESPN the Magazine and ESPN.com.

The wealthy Ricketts family includes conservatives and a liberal, activists and a candidate. Between them, they raise and spend a lot of political money — and exemplify how the system has changed.

Once the province of nobles, food sculptures became the art of the people in America. Nowhere is this truer than the butter sculpture, a form that is at once familiar and impressive.

Democratic state Sen. Mark Herring leads Republican state Sen. Mark Obenshain by a mere 117 votes in the Virginia attorney general's election. If it remains that close after a recount, the race will rank as one of the closest statewide contests in modern history.