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Willpower will only take you so far, in case you haven't run that experiment yourself. Turns out our bodies have a fuel gauge, not entirely unlike the gas gauge in our cars, that tell us when it's time to tank up on food. Dieting can make the gauge go haywire.

Crop insurance has become a critical safety net for farmers subject to fickle weather that can ruin crops. And though politicians are looking to make some big cuts to farm programs in the upcoming 2012 farm bill, farmers are clinging fiercely to crop insurance.

The choice reveals that the royal family is aging and not in a hurry to hand over power to a new generation.

An oft-debunked notion about the authorship of Hamlet, Macbeth and the rest is at the core of a new political thriller from director Roland Emmerich. Screenwriter John Orloff tells Renee Montagne that he's less interested in historical fact than in dramatizing "the process of creativity."

Luigi Del Bianco was the chief stone carver on the Mount Rushmore monument, working for years to bring the presidents' faces to life in stone. He gave Abraham Lincoln's face many of its details, in the project that ended 70 years ago. But to his family, Del Bianco was a modest, loving patriarch.

Polls show that New Yorkers favor extending the so-called millionaires tax on the state's top wage earners beyond the end of the year. But Gov. Andrew Cuomo is digging in his heels, saying it encourages some of the state's most affluent citizens to leave.

One U.S. importer of Greek foods sees his business buffeted by the Eurozone's problems: Orders are delayed because of strikes in the port, and suppliers will change their contract terms. But the worst is when things don't show up at all. "I get mad because I depend on those products," he says.

A newly built $150 million memorial celebrates India's Dalits, once known as the "untouchables." The controversial project was spearheaded by the politician Mayawati, who is known as the "Dalit queen," and is seen as a bid to strengthen her position.

The U.S. has plenty of economic problems at home, and its international outlook is increasingly geared toward China and rapidly growing Asian nations. As a result, the U.S. has been more of a bystander than a major player in Europe's financial crisis.

The new Google Wallet app lets shoppers who own Android smartphones pay at the counter with a mere wave at the cash register — and without receiving a pocketful of change in return. It's a sign that the use of smartphones as wallets is finally catching on in America.