(Phys.org) —Molecular motor proteins inside the body, called kinesins, are a lot like the motor in your car. The molecular motors convert stored chemical energy into specific conformational changes, which lead to various ...
Cell & Microbiology
Mar 19, 2013
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(Phys.org) —When it comes to understanding how proteins perform their amazing cellular feats, it is often the case that the more one knows the less one realizes they know. For decades, biochemists and biophysicists have ...
Biochemistry
Mar 15, 2013
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Scientific research is a process fraught with fits and starts, dead-ends, dashed dreams, unexpected turns, and the occasional exhilarating insight. As scientists, many of us continue along our career path in part because ...
General Physics
Mar 1, 2013
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The chemical reactivity of molecules in solution critically depends on a complex interplay among intramolecular processes and interactions with the caging solvation shell, which surrounds a solute molecule. Accordingly, the ...
General Physics
Feb 20, 2013
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(Phys.org)—In bulk, topological insulators (TIs) are good insulators, but on their surface they act as metals, with a twist: the spin and direction of electrons moving across the surface of a TI are locked together. TIs ...
Nanomaterials
Feb 8, 2013
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(Phys.org)—The search for clean and green energy in the 21st century requires a better and more efficient battery technology. The key to attaining that goal may lie in designing and building batteries not from the top down, ...
Nanomaterials
Dec 3, 2012
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(Phys.org)—The study of materials at extreme conditions took a giant leap forward with the discovery of a way to generate super high pressures without using shock waves whose accompanying heat turns solids to liquid.
Condensed Matter
Oct 24, 2012
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A major upgrade to the DIII-D tokamak fusion reactor operated by General Atomics in San Diego will enable it to develop fusion plasmas that can burn indefinitely. Researchers installed a movable, 30-ton particle-beam heating ...
Plasma Physics
Nov 10, 2011
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Scientists will soon be exploring matter at temperatures and pressures so extreme it can only be produced for microseconds using powerful pulsed lasers. Matter in such states is present in the Earth's liquid iron core, 2500 ...
General Physics
Nov 10, 2011
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(PhysOrg.com) -- Exactly 150 years after the first color photograph was produced, scientists have devised a way of employing the full spectrum of colors from synchrotron and free-electron laser x radiation to image nanometer-sized ...
Optics & Photonics
Aug 11, 2011
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