The results of a new study led by George Washington University Professor Tianshu Li provide direct computational evidence that nucleation of ice in small droplets is strongly size-dependent, an important conclusion in understanding ...
Condensed Matter
May 21, 2013
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(Phys.org) —Shattering a glass is a completely different experience than breaking a seashell, and Cornell physicists offer a notion – at the microscale – to explain why.
Condensed Matter
May 1, 2013
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Determining the chemical mechanisms that govern new particle formation, or NPF, in the atmosphere is not something that can be pulled out of thin air. In the atmosphere, nucleating clusters are presumed to be composed of ...
Materials Science
Apr 10, 2013
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A group of European scientists from Imperial College London in the United Kingdom and the University of Vigo in Spain has made a technological breakthrough with its development of an ultra-sensitive test with the capacity ...
Biochemistry
Jul 13, 2012
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Shaahin Amini was ready to quit. The Ph.D. student at the University of California, Riverside's Bourns College of Engineering had spent three hours looking into a microscope scanning a maze of black-and-white crosshatched ...
Other
May 30, 2012
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Cells on the move reach forward with lamellipodia and filopodia, cytoplasmic sheets and rods supported by branched networks or tight bundles of actin filaments. Cells without functional lamellipodia are still highly motile ...
Cell & Microbiology
Apr 9, 2012
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(PhysOrg.com) -- Wrapped in mystery, the formation of a cloud droplet comes down to physics. Pacific Northwest National Laboratory led a research team that has helped peel away another layer of the cloud droplet conundrum. ...
Earth Sciences
Oct 31, 2011
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Researchers have discovered a high concentration of bacteria in the center of hailstones, suggesting that airborne microorganisms may be responsible for that and other weather events. They report their findings today at ...
Cell & Microbiology
May 24, 2011
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(PhysOrg.com) -- A team of atmospheric researchers designed a new computational module that helps scientists better understand how ice crystals form in the atmosphere. The team, including Dr. Xiaohong Liu and Dr. Steve Ghan ...
Earth Sciences
Nov 3, 2010
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The APC protein serves as the colon's guardian, keeping tumors at bay. Now researchers reveal a new function for the protein: helping to renovate the cytoskeleton by triggering actin assembly. The result suggests a second ...
Cell & Microbiology
Jun 21, 2010
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