25/07/2011

Study: Generosity emerges from evolution of cooperation

(PhysOrg.com) -- Imagine you're dining at a restaurant in a city you're visiting for the first –– and, most likely the last –– time. Chances are slim to none that you'll ever see your server again, so ...

Hackers attack Italian cyber police website

Hacker groups LulzSec and Anonymous announced on Monday that they had hacked into the website of Italy's cyber police and published classified information online in an attack dubbed "Operation Italy".

Climate-change-induced wildfires may alter Yellowstone forests

Climate change in the Greater Yellowstone Ecosystem will increase the frequency of wildfires and alter the composition of the forests by 2050, according to a team of ecologists who modeled the effects of higher temperatures ...

Novel gene increases yeast's appetite for plant sugars

For thousands of years, bakers and brewers have relied on yeast to convert sugar into alcohol and carbon dioxide. Yet, University of Wisconsin-Madison researchers eager to harness this talent for brewing biofuels have found ...

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