Whether it protects space satellites or sequesters nuclear waste, scientists want to understand tiny features that could significantly alter how a material behaves. Locating microscopic defects can be done with powerful microscopes, ...
Materials Science
Feb 7, 2012
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Most proteins have multiple moving parts that rearrange into different conformations to execute particular functions. Such changes may be induced by molecules in the immediate environment, including water and similar solvents ...
General Physics
Jan 6, 2012
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Brown University physicists have set the strongest limit for the mass of dark matter, the mysterious particles believed to make up nearly a quarter of the universe. The researchers report in Physical Review Letters that dark ...
General Physics
Nov 23, 2011
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In the Sahel, the frequency of storms increases when soil moisture varies over a few kilometers. Such contrasts cause air circulation between dry and humid areas, contributing to the development of storms. For the first time, ...
Earth Sciences
Jun 21, 2011
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Technologies for rapid detection of bacterial pathogens are crucial to maintaining a secure food supply.
Mathematics
Oct 15, 2010
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A new analysis of the geological record of the Earth's sea level, carried out by scientists at Princeton and Harvard universities and published in the Dec. 16 issue of Nature, employs a novel statistical approach that reveals ...
Earth Sciences
Dec 16, 2009
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A new statistical technique developed by researchers at the University of Illinois allows scientists to scan a genome for specific gene-regulatory regions without requiring prior knowledge of the relevant transcription factors. ...
Cell & Microbiology
Nov 19, 2009
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Two decades ago a renowned statistician described a computer data set of 1 billion bytes as "huge" and 10 trillion bytes as "ridiculous."
Computer Sciences
May 14, 2009
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