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America's privacy concerns go back to the origins of the country itself. And in the wake ofrevelations about the National Security Agency's surveillance activities, polls show the country has mixed feelings; Fox News, CBS News and Gallup all find that more than half of all Americans don't approve of the NSA collecting phone and Internet records. Young Americans feel just as ambivalent as older generations when asked about the surveillance activity.

Filmmaker Morgan Neville's new documentary chronicles backup singers who have supported some of the biggest acts in music history, from Ike and Tina Turner to The Rolling Stones and sung some of pop music's catchiest hooks.

There's been increasing support for the number of H1-B visas given to highly skilled workers. Large tech companies are leading the push for the increase, but the bulk of the visas go to workers at large consulting firms.

Officials said Thursday that the burned remains found in a California mountain cabin have been positively identified as fugitive former police officer Christopher Dorner.

Neuroscientists have found that as we age, our brain's reaction time slows and our ability to multitask diminishes. But maturity also brings an enhanced ability to reason out problems and empathize. And the middle-aged brain can still strengthen neuron circuits associated with memory and decision-making.

Millions of basketball fans will fill out NCAA tournament brackets this week and try to correctly predict the outcomes of every game. The chances of succeeding are about 1 in 150 quintillion. A group of computer scientists are trying to beat those odds by writing programs that learn to pick winners.

Basketball fans have one more day to fill out their March Madness brackets. They'll need to predict not just the champions and their route to victory, but also the paths of all the losers. It's not easy. In fact, no person or computer has yet been able to do it.

U.S. corporations face a growing threat from countries where governments control big multinational corporations and use them for political gain, author Ian Bremmer says. In China, for example, U.S. firms compete against government-backed domestic auto and aircraft manufacturers.

Lake Vostok is under 2 miles of ice and hasn't been exposed to air and light for millions of years. Scientists are eager to see what, if anything, might be living down there.

As a journalist, I've used the phrase, "fourth estate" to describe the press for as long as I can recall. But when thinking about this blog, I realized that I couldn't clearly track its origin. A few minutes on Google, and