30/03/2009

Google, music labels launch China download service

(AP) -- Google Inc. and major music companies launched a free Internet music download service for China on Monday in a bid to help turn a field dominated by pirates into a profitable, legitimate business.

Court won't revive Va. anti-spam law

(AP) -- The Supreme Court will not consider reinstating Virginia's anti-spam law, among the nation's toughest in banning unsolicited e-mails.

Spreading antibiotics in the soil affects microbial ecosystems

Antibiotics used extensively in intensive livestock production may be having an adverse effect on agricultural soil ecosystems. In a presentation to the Society for General Microbiology meeting at Harrogate International ...

Surveillance vehicles take flight using alternative energy

Nearly undetectable from the ground, unmanned aerial vehicles (UAVs) are widely used by the military to scan terrain for possible threats and intelligence. Now, fuel cell powered UAVs are taking flight as an Office of Naval ...

Presidential primary 2008 polls: What went wrong

University of Michigan survey experts working with the American Association for Public Opinion Research have identified several reasons polls picked the wrong winners in the 2008 Presidential Primary.

Nitrate stimulates greenhouse gas production in small streams

Nitrous oxide is a potent greenhouse gas that has been accumulating in the atmosphere since the industrial revolution. It is well known that fertilizer can stimulate nitrous oxide production in soils, but less is known about ...

Optimized by Evolution, Ants Don't Have Traffic Jams

(PhysOrg.com) -- As highway traffic increases, you'd probably expect a traffic jam, where vehicles slow down due to the high density. While traffic jams are a common occurrence on our highways, high density traffic has completely ...

Aussie meat ants may be invasive cane toad's Achilles' heel

Ecologists in Australia have discovered that cane toads are far more susceptible to being killed and eaten by meat ants than native frogs. Their research - published in the British Ecological Society's journal Functional ...

Scientists offer new theory for largest known mass extinction

The largest mass extinction in the history of the earth could have been triggered off by giant salt lakes, whose emissions of halogenated gases changed the atmospheric composition so dramatically that vegetation was irretrievably ...

page 4 from 6