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Deep in the Amazon, an isolated Brazilian tribe almost vanished when it first had contact with the modern world. Now the Surui tribe is working with Google to do things like report on illegal logging in the forest.

A government sugar subsidy program is often criticized for keeping sugar prices too high. But now prices are falling and the government may buy 400,000 tons of sugar to help struggling sugar processors. Critics say the government's involvement in the sugar business should end.

The sand is pumped underground along with water and other chemicals to extract oil and natural gas trapped deep in rock. But researchers found that air samples taken at some drilling sites contained high enough levels of very fine silica particles to be dangerous to workers.

A look back at landmark cases makes clear that the Supreme Court never really knows exactly how its decisions will play out — especially not in the long run. That uncertainty must loom over the justices now as they contemplate the issue of gay marriage.

In a TV interview, Francois Hollande said companies that pay workers more than 1 million euros will see the tax on those salaries increase to 75 percent. The announcement comes as the Socialist leader battles plummeting approval ratings.

NPR's Legal Affairs Correspondent Nina Totenberg ties up a few loose ends from a momentous week in the Supreme Court.

The prosecution said they had not received any details from James Holmes' attorneys, so they weren't prepared to accept a plea.

Nearly 7 million people visit the Chateau at Versailles a year. But one day a week, it's closed. That's a spa day of sorts, when conservation work and cleaning takes place at the Grande Dame of France royal residences. The hardwood floors alone require nearly 1,000 gallons of wax a year.

Aleppo was once the financial heart of Syria. But as the country's revolt grinds on, many of the city's most innovative businessmen have moved to the Turkish border town of Gaziantep. An estimated 150,000 Syrians are there — some of whom are putting down roots — raising questions about Aleppo's future.

Researchers are using cellular machinery to turn E. coli bacteria into little computers. By creating on/off switches that are similar to electronic transistors, scientists can control each microbe's behavior.