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Friday, September 9, 2011

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


New material possible boon for lithium ion batteries

Posted: 08 Sep 2011 11:53 AM PDT

Batteries could get a boost from a discovery that increases power, energy density and safety while dramatically reducing charge time.

'Invisible' world discovered: Planet alternately runs late and early in its orbit, tugged by second hidden world

Posted: 08 Sep 2011 11:51 AM PDT

Usually, running five minutes late is a bad thing since you might lose your dinner reservation or miss out on tickets to the latest show. But when a planet runs five minutes late, astronomers get excited because it suggests that another world is nearby. NASA's Kepler spacecraft has spotted a planet that alternately runs late and early in its orbit because a second, "invisible" world is tugging on it.

Neutron scattering confirms DNA is as stretchy as nylon

Posted: 08 Sep 2011 06:10 AM PDT

Neutron scientists have measured how fast sound travels along DNA to determine its 'stiffness'. These findings help to explain how DNA folds, coils and denatures.

Where does all Earth's gold come from? Precious metals the result of meteorite bombardment, rock analysis finds

Posted: 07 Sep 2011 10:20 AM PDT

Ultra high precision analyses of some of the oldest rock samples on Earth provides clear evidence that the planet's accessible reserves of precious metals are the result of a bombardment of meteorites more than 200 million years after Earth was formed.

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