News tagged with images

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A better imager for identifying tumors

Before they excise a tumor, surgeons need to determine exactly where the cancerous cells lie. Now, research published today in The Optical Society's (OSA) journal Optics Letters details a new technique that c ...

Jun 19, 2014
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Too much blood and pain?

Photographs have long been known to spark more emotional response than news reports alone – the capacity of confronting images to shock exceeds that of text. So it is not surprising that recent photographs ...

Oct 07, 2014
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Glaciers in the grand canyon of Mars?

For decades, planetary geologists have speculated that glaciers might once have crept through Valles Marineris, the 2000-mile-long chasm that constitutes the Grand Canyon of Mars. Using satellite images, ...

Sep 30, 2014
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