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Scientists use X-ray laser to probe engines of photosynthesis

An international research team led by scientists at Lawrence Berkeley National Laboratory and SLAC National Accelerator Laboratory has used a powerful X-ray laser to shine new light on a tiny cluster of molecules that is integral to an important stage of photosynthesis known as Photosystem II.

Posted: Jun 6th, 2012

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Splitting the unsplittable

Researchers from the University of Bonn have just shown how a single atom can be split into its two halves, pulled apart and put back together again.

Posted: Jun 5th, 2012

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Spin-Strom in topologischem Isolator

Wieder sorgen Wuerzburger Physiker fuer neue Erkenntnisse in der Spintronik: In extrem duennen topologischen Isolatoren haben sie spin-polarisierte Stroeme nachgewiesen, welche die Theorie seit sechs Jahren vorhersagt. Zugleich zeigen sie einen Weg der Anwendung fuer neuartige Rechner.

Posted: Jun 5th, 2012

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Determining the best shape for cancer-fighting nanoparticles

As the field of nanomedicine matures, an emerging point of contention has been what shape nanoparticles should be to deliver their drug or DNA payloads most effectively. A pair of new papers by scientists at The Methodist Hospital Research Institute (TMHRI) and six other institutions suggests these microscopic workhorses ought to be disc-shaped, not spherical or rod-shaped, when targeting cancers at or near blood vessels.

Posted: Jun 4th, 2012

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Repelling the drop on top

It would make life a lot easier if the surfaces of window panes, corrosion coatings or microfluidic systems in medical labs could keep themselves free of water and other liquids. A new simulation program can now work out just how such surfaces have to look for a variety of applications.

Posted: Jun 4th, 2012

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