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November 21, 2012 A new industry of apps is helping parents stay one step ahead of their kids online, monitoring every post, photo and text they send or receive. Some argue this is necessary parental oversight in the modern digital age. Others say it sends the wrong message to kids and can backfire.

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November 21, 2012 CPRPrevious research has found that patients with online access to their doctors made fewer trips to the doctor's office. But a large, just-published study shows just the opposite: Patients who can email their physicians may schedule more visits.

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November 21, 2012 Like many other brick-and-mortar retailers, Wal-Mart is trying new strategies to serve customers whenever they want to buy. In one new experiment in four select markets, the retail giant is promising to deliver eligible items ordered online in just a few hours.

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November 20, 2012 A pilot program in Mississippi uses biometric finger scanners on low-income parents who check their kids in and out of day care centers. State officials say they'll save millions of dollars by reducing fraud, but some parents and day care providers see it as discriminatory and are protesting.

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November 19, 2012 Scientists have come up with an algorithm to guess how many stars a recipe will receive online. By building "social networks" for ingredients, the algorithms also reveal how we mix and match spices, make dishes more healthful and customize flavor profiles.

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November 19, 2012 The Pentagon's research agency, DARPA, played key roles in developing the Internet and GPS. Now it's investing money in high school hackerspaces, where students gather to come up with high-tech ideas — like a bicycle that generates electricity.

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