Technology to filter photos in Web searches may help the Justice Department curb online trafficking in child pornography. The department has thus far focused its efforts on prosecution, not prevention. iStockphoto.com hide caption

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A Click Away: Preventing Online Child Porn Viewing
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Devon Energy Corp.'s steam generation plant uses steam-assisted gravity drainage to extract bitumen from oil sands near Conklin, Alberta, on June 28. Jimmy Jeong/Bloomberg via Getty Images hide caption

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Can U.S. Take The Heat Of Canada's Oil Practices?
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As Drug Marketers Embrace Social Media, FDA Mulls New Rules
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Alaska Plane Crash Kills Ex-Sen. Stevens, 4 Others
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Former Sen. Ted Stevens Dies In Plane Crash
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What's So Worrisome About A BlackBerry?
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Alvin Toffler, author of Future Shock, sits outside a restaurant on Sunset Blvd in Los Angeles on July 14. Martin Kaste/NPR hide caption

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Futurist 40 Years Later: Possibilities, Not Predictions
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Suspected 'Barefoot Bandit' Nabbed In Bahamas
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A worker walks along a long pipeline used to convey sand pumped from 20,000 feet offshore to build barriers to keep oil from entering wetlands near Grand Isle, La., last month. Jae C. Hong/AP hide caption

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An Oil Pipeline From Canada? Some Say 'No Way'
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Lawmakers To Introduce New Internet Privacy Bill
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Do Looser Laws Make Pot More Popular? Not So Far
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Facebook's Latest Privacy Changes May Quiet Critics
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Facebook Boosts Privacy Controls
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Wood-Powered 'Biomass' Plants Have Critics Barking
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Facebook CEO Mark Zuckerberg has made it clear in recent days that the company plans to change its privacy settings in an attempt to satisfy concerns from users and Congress. Marcio Jose Sanchez/AP hide caption

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Facebook's Dilemma: When Privacy Hits The Fan
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