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Monday, December 17, 2012

ScienceDaily: Top Science News

ScienceDaily: Top Science News


Woman with quadriplegia feeds herself chocolate using mind-controlled robot arm

Posted: 17 Dec 2012 12:09 AM PST

Reaching out to "high five" someone, grasping and moving objects of different shapes and sizes, feeding herself dark chocolate. For Jan Scheuermann and a team of researchers, accomplishing these seemingly ordinary tasks demonstrated for the first time that a person with longstanding quadriplegia can maneuver a mind-controlled, human-like robot arm in seven dimensions (7D) to consistently perform many of the natural and complex motions of everyday life.

Scientists discover evidence of giant panda's population history and local adaptation

Posted: 16 Dec 2012 10:25 AM PST

A research team has successfully reconstructed a continuous population history of the giant panda from its origin to the present.

Ordinary heart cells become 'biological pacemakers' with injection of single gene

Posted: 16 Dec 2012 10:25 AM PST

Researchers have reprogrammed ordinary heart cells to become exact replicas of highly specialized pacemaker cells by injecting a single gene -- a major step forward in the decade-long search for a biological therapy to correct erratic and failing heartbeats.

'Missing' polar weather systems could impact climate predictions

Posted: 16 Dec 2012 10:25 AM PST

Intense but small-scale polar storms could make a big difference to climate predictions, according to new research. Difficult-to-forecast polar mesoscale storms occur frequently over the polar seas; however, they are missing in most climate models. New research shows that their inclusion could paint a different picture of climate change in years to come.

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