24/02/2012

New research points to erosional origin of linear dunes

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" ...

Rethinking the social structure of ancient Eurasian nomads

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 ...

Study proposes new measure of world equity market segmentation

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. ...

The emotional oracle effect

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; ...

Two-headed tortoise goes on show in Ukraine

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.

Print, online ad revenue fall at Washington Post

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.

Cyber-security expert finds new flaw in smartphones

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.

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