News tagged with complex systems

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When diffusion depends on chronology

The Internet, motorways and other transport systems, and many social and biological systems are composed of nodes connected by edges. They can therefore be represented as networks. Scientists studying diffusion over such ...

dateJul 15, 2013 in General Physics
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Has Kepler found ideal SETI-target planets?

NASA's Kepler mission has discovered a new planetary system that is home to five small planets around a slightly smaller star than our Sun. Two of them are super-Earth planets, most likely made of rock or ice mixed with rock, ...

dateApr 22, 2013 in Astronomy
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Nanoparticles working in harmony

For decades, researchers have been working to develop nanoparticles that deliver cancer drugs directly to tumors, minimizing the toxic side effects of chemotherapy. However, even with the best of these nanoparticles, only ...

dateJul 15, 2011 in Bio & Medicine
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HIV protein unveils vaccine target

( -- An international study headed by a UC Davis scientist describes how a component of a potential HIV vaccine opens like a flower, undergoing one of the most dramatic protein rearrangements yet observed in nature. ...

dateMar 31, 2011 in HIV & AIDS
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