Linear dunes, widespread on Earth and Saturn's moon, Titan, are generally considered to have been formed by deposits of windblown sand. It has been speculated for some time that some linear dunes may have formed by "wind-rift" ...
Space Exploration
Feb 24, 2012
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Prehistoric Eurasian nomads are commonly perceived as horse riding bandits who utilized their mobility and military skill to antagonize ancient civilizations such as the Chinese, Persians, and Greeks. Although some historical ...
Archaeology
Feb 24, 2012
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The gold standard for nanotechnology is nature's own proteins. These biomolecular nanomachines – macromolecules forged from peptide chains of amino acids - are able to fold themselves into a dazzling multitude of shapes ...
Cell & Microbiology
Feb 24, 2012
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A recent study in the Review of Financial Studies proposes a new, valuation-based measure of equity market segmentation. Equity market segmentation occurs when stocks of similar risk in different countries are priced differently. ...
Economics & Business
Feb 24, 2012
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A forthcoming article in the Journal of Consumer Research by Professor Michel Tuan Pham, Kravis Professor of Business, Marketing, Columbia Business School; Leonard Lee, Associate Professor, Marketing, Columbia Business School; ...
Social Sciences
Feb 24, 2012
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A two-headed Central Asian tortoise has gone on show at the natural science museum in Kiev where visitors will be able to observe the different eating habits of each head over the next two months.
Plants & Animals
Feb 24, 2012
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The Washington Post Co. reported a lower fourth-quarter net profit Friday on weakness at its education division and declining print and online advertising revenue at its flagship newspaper.
Business
Feb 24, 2012
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Just as U.S. companies are coming to grips with threats to their computer networks emanating from cyber-spies based in China, a noted expert is highlighting what he says is an even more pernicious vulnerability in smartphones.
Software
Feb 24, 2012
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Japan on Friday said some areas surrounding the Fukushima nuclear power plant that was wrecked last year by a massive tsunami will likely remain permanently off-limits.
Environment
Feb 24, 2012
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(PhysOrg.com) -- A multinational team of scientists has developed a process for creating glass-based, inorganic light-emitting diodes (LEDs) that produce light in the ultraviolet range. The work, reported this week in the ...
Nanophysics
Feb 24, 2012
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