Comments: 0 - Date: February 13th, 2009 - Categories: Uncategorized
In 2007, three Japanese satellites began circling Earth's moon on the Kaguya mission. The spacecraft beamed back high-definition video, photos and data about the topography and varying gravity of the moon. NASA geophysicist Gregory Neumann surveys the discoveries from Kaguya.
Comments: 0 - Date: February 13th, 2009 - Categories: Uncategorized
President Obama says America needs to modernize its electrical transmission with a "smart grid" to increase reliability, save money and facilitate the use of renewable energy. Grid experts Daniel Kammen and Kurt Yeager discuss what "smart grid" means, and how to build one.
Comments: 0 - Date: February 13th, 2009 - Categories: Uncategorized
Doctors writing in the journal JAMA detail a surgical technique that reroutes nerves from an amputated arm to muscles on the chest. Study author Todd Kuiken explains how patients are able to control the prosthetic arm with their thoughts.
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Comments: 0 - Date: February 13th, 2009 - Categories: Uncategorized
Using CT scans, DigiMorph, a project run out of the University of Texas, has compiled hundreds of 3-D visualizations of fossils, skeletons and other specimens. Highlights from the collection included the famous hominid fossil "Lucy."
Comments: 0 - Date: February 13th, 2009 - Categories: Uncategorized
Psychologists say people reported feeling happier when they spent their money on experiences rather than objects. Ryan Howell, a San Francisco State University psychologist who led the study, explains the results and speculates on whether the findings extend to gift-giving.