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Hybrid "Muttsucker" Has Genes of Three Species

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In the murky waters of an inconspicuous stream in a remote area of Wyoming, researchers detail the potential impact that an introduced fish, the white sucker, could have on the evolutionary biology of fishes.
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Pinwheel Galaxy's 'No Organics' Zone

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Astronomy news // 22 July, 2008 12:47:00
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A new paper appearing July 20 in the Astrophysical Journal explains why this outer ring stands out. According to the authors, the red color highlights a zone where organic molecules called polycyclic aromatic hydrocarbons, which are present throughout most of the galaxy, suddenly disappear.

Tongue Drive Technology

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Life sciences news // 21 July, 2008 02:06:00
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Using only tongue motions, individuals with paralyzed limbs may be able to use new system to take control of technology

A Single Boulder

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Environment news // 20 July, 2008 01:34:00
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A lone granite boulder found against all odds high atop a glacier in Antarctica may provide additional key evidence to support a theory that parts of the southernmost continent once were connected to North America hundreds of millions of years ago.

Doctors' Orders Lost in Translation

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Life sciences news // 17 July, 2008 01:40:00
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When patients are discharged from the emergency department, their recovery depends on carefully following the doctors' instructions for their post care at home. Yet a vast majority of patients don't fully understand what they are supposed to do, and most are not even aware of the chasm in their understanding.

Widespread, Hardworking Water on Ancient Mars

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Tags: mars water mro
Astronomy news // 15 July, 2008 03:27:00
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Papers by Brown University scientists show that water on ancient Mars was pervasive and was working hard, changing the minerals below ground and on the surface.

A New Way to Weigh Giant Black Holes

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Astronomy news // 15 July, 2008 05:05:00
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How do you weigh the biggest black holes in the universe? One answer now comes from a completely new and independent technique that astronomers have developed using data from NASA's Chandra X-ray Observatory.

A Telescope Made of Moondust

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Tags: telescope moon moondust
Astronomy news // 13 July, 2008 09:59:00
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That's the dream of Peter C. Chen, astrophysicist at NASA Goddard Space Flight Center. And he wants to build it using lunar dust—because that might just be the most economical approach.

Rare 'Star-Making Machine' Found in Distant Universe

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Astronomy news // 13 July, 2008 01:27:00
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Astronomers have uncovered an extreme stellar machine - a galaxy in the very remote universe pumping out stars at a surprising rate of up to 4,000 per year. In comparison, our own Milky Way galaxy turns out an average of just 10 stars per year.

MIT opens new 'window' on solar energy

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Tags: mit solar energy
Technology news // 10 July, 2008 02:14:00
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Imagine windows that not only provide a clear view and illuminate rooms, but also use sunlight to efficiently help power the building they are part of. MIT engineers report a new approach to harnessing the sun's energy that could allow just that.

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