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Microscopic mechanical worms may be deployed as cancer-seeking missiles.
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Quake zone was not on active fault lines, say researchers.
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New software allows users to peer into space and explore distant galaxies.
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A new material will seal wounds the moment it's applied.
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Dwindling stock may signal the coming of a new iPhone.
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The first-ever report of a genetically modified embryo troubles watchdog groups.
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The number of U.S. tornadoes is already double what it was last year.
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Heather Armstrong's bold Web site has captivated more than 1 million readers.
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Can adding 20 percent of free time make corporate America more productive?
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In-body wireless sensors sound like sci-fi, but could be medicine's future.
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Movie mogul's latest project looks to bring kids and grown-ups together.
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Facebook is valued at $15 billion, but barely turns a profit.
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Powerset launches a beta version of search technology that uses natural phrases.