25/02/2010

UV light stick purifies water

(PhysOrg.com) -- Today, about one billion people on Earth don't have access to clean drinking water, and that number is expected to increase even more in the coming years. To solve this problem, inventors have been trying ...

Plotting and treachery in ant royal families

A team from the University of Copenhagen, led by postdoc Luke Holman of the Center for Social Evolution, describes in Proceedings of the Royal Society B, published on the 24 February 2010, that ant queens are much more devious ...

T-Mobile USA racks up prepaying subscribers

(AP) -- T-Mobile USA, the fourth-largest U.S. wireless carrier, said Thursday it gained 371,000 new customers in the fourth quarter, reversing subscriber losses in the third quarter.

Scientists reveal driving force behind evolution

Scientists at the University of Liverpool have provided the first experimental evidence that shows that evolution is driven most powerfully by interactions between species, rather than adaptation to the environment.

Evidence of a new phase in liquid hydrogen

(PhysOrg.com) -- We like to think that we’ve got hydrogen, one of the most basic of elements, figured out. However, hydrogen can still surprise, especially once scientists start probing its properties on the most fundamental ...

The safe way to use one Internet password

(PhysOrg.com) -- A little-used Internet authentication system from the 1980s could provide the answer for enabling web users to securely log in only once per Internet session, a Queensland University of Technology researcher ...

Hollywood lodges appeal in Internet piracy case

Hollywood film studios Thursday lodged an appeal against a landmark legal judgment which found an Australian Internet provider was not responsible for illegal movie downloads by its customers.

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