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New insight in nerve cell communication

New insight in nerve cell communication

Medicine & Health / Neuroscience

created Dec 22, 2009 | popularity 4 / 5 (1) | comments 0

Communication between nerve cells is vital for our bodies to function. Part of this communication happens through vesicles containing signalling molecules called neurotransmitters. The vesicle fuses with the ...


Foot binding and a biological approach to the study of Chinese culture

Other Sciences / Social Sciences

created Dec 21, 2009 | popularity 2.8 / 5 (4) | comments 0

(PhysOrg.com) -- Exaptation is a familiar concept to evolutionary biologists. It's the basic idea explaining that a trait can evolve because it starts serving a different function. Think of birds: at first, the most important ...


Naturally occurring lipid blocks RSV infection in lungs

Medicine & Health / Research

created Dec 21, 2009 | popularity 5 / 5 (2) | comments 0

Researchers at National Jewish Health have discovered that a naturally occurring lipid in the lung can prevent RSV infection and inhibit spread of the virus after an infection is established. RSV is the major cause of hospitalization ...


Climate talks end with eye on next year (AP)

Climate talks end with eye on next year

Space & Earth / Environment

created Dec 19, 2009 | popularity 1.8 / 5 (5) | comments 2

(AP) -- A historic U.N. climate conference ended Saturday with only a nonbinding "Copenhagen Accord" to show for two weeks of debate and frustration. It was a deal short on concrete steps against global warming, ...


Mystery solved: Scientists now know how smallpox kills

Biology / Cell & Microbiology

created Dec 22, 2009 | popularity 5 / 5 (10) | comments 0

A team of researchers working in a high containment laboratory at the Centers for Disease Control and Prevention in Atlanta, GA, have solved a fundamental mystery about smallpox that has puzzled scientists long after the ...


Chemical energy influences tiny vibrations of red blood cell membranes

Chemical energy influences tiny vibrations of red blood cell membranes

Chemistry / Biochemistry

created Dec 21, 2009 | popularity 4.8 / 5 (6) | comments 0

(PhysOrg.com) -- Much like a tightly wound drum, red blood cells are in perpetual vibration. Those vibrations help the cells maintain their characteristic flattened oval or disc shape, which is critical to ...


Water droplets shape graphene nanostructures

Nanotechnology / Nanophysics

created Dec 17, 2009 | popularity 4.6 / 5 (7) | comments 0

A single-atom-thick sheet of carbon, like those seen in pencil marks -- offers great potential for new types of nanoscale devices, if a good way can be found to mold the material into desired shapes.


Buildings are engulfed in haze in Wuhan, central China's Hubei province

Climate scientists underwhelmed by Copenhagen Accord

Space & Earth / Environment

created Dec 20, 2009 | popularity 3 / 5 (13) | comments 11

Top climate scientists said Saturday that the eleventh-hour political deal hammered out at UN talks in Copenhagen falls perilously short of what is needed to stave off catastrophic global warming.


Scientists take a step towards uncovering the histone code

Biology / Cell & Microbiology

created Dec 20, 2009 | popularity 5 / 5 (6) | comments 1

Researchers at Emory University School of Medicine have determined the structures of two enzymes that customize histones, the spool-like proteins around which DNA coils inside the cell.


Diplomatic frenzy at final day of UN climate talks (AP)

Diplomatic frenzy at final day of UN climate talks

Space & Earth / Environment

created Dec 18, 2009 | popularity 4 / 5 (4) | comments 2

(AP) -- A diplomatic frenzy enveloped the final day of the U.N. climate conference Friday, with President Barack Obama twice meeting privately with China's premier as world leaders pressed to salvage a global ...



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