17/11/2010

How wise are crowds?

The rise of the Internet has sparked a fascination with what The New Yorker’s financial writer James Surowiecki called, in a book of the same name, "The wisdom of crowds": The idea that aggregating or averaging the imperfect, ...

Camera on Curiosity's arm will magnify clues in rocks

NASA's next Mars rover, Curiosity, will wield an arm-mounted magnifying camera similar to one on the Mars Rover Opportunity, which promptly demonstrated its importance for reading environmental history from rocks at its landing ...

The lifeblood of leaves: Vein networks control plant patterns

New University of Arizona research indicates that leaf vein patterns correlate with functions such as carbon intake and water use – knowledge that could help scientists better understand the complex carbon cycle that ...

Navigating underwater using spiral sound

With the increased use of underwater robotics in both Navy and commercial applications, underwater navigation becomes more and more important. As researchers attempt to make these vehicles smaller and less expensive, simple ...

Yihua Zheng: A new breed of weather forecaster

Solar storms sweeping from the Sun to Earth can damage anything from spacecraft to Earth's electrical utilities. The "Halloween Storm" of October 29, 2003 destroyed the $450 million Midori-2 research satellite. A storm on ...

The conditional Homo cooperativus

A postdoc from ETH Zurich has been conducting research to find solutions to cooperation dilemmas. His recent field research in the Bale Mountains of Ethiopia reveals that the degree of voluntary cooperation along with costly ...

page 8 from 10