Retinal implant brings bionic vision to blind patients
Scientists have successfully implanted microchips in the retinas of three blind volunteers, allowing them to see shapes and letters within days of surgery. Read the full story
In cities, 'smart growth' leads to more expensive housing
"Smart growth" policies for cities and their surrounding areas may be a good idea, but it's a costly one, too, according to public policy expert. Read the full story
The making of a flexible invisibility cloak
Well, don't expect a Harry Potter style invisibility cloak just yet. But researchers at the University of St Andrews have developed a flexible metamaterial that's a step in the right direction. Read the full story
Obesity rate will reach 42 percent, Harvard researchers say
Harvard researchers say America's obesity epidemic will continue to spread until at least 42 percent of adults are obese. What's driving it? Friendship. Read the full story
From roadside weed to new source of biofuel
Pennycress, a common plant found along many of America's roads, could become a new source of biofuel, according to USDA researchers. Read the full story
Validation for smokers' CT scans but at what cost?
You find that a very expensive test delivers a good result. Who gets it? Who doesn't? Read the full story
New material for longer, lighter wind turbine blades
As wind turbine designs get larger, Owens Corning develops a new material to help the blades grow big and strong. Read the full story
Cloud computing is making IT greener
Cloud providers are striking to reduce energy costs and carbon emissions with investments in new technology. Read the full story
Non-profits, businesses team up on sustainability strategy
Increasingly, global companies are looking to the non-profit sector for insight and to build more impactful corporate social responsibility program. Read the full story
'Keynes and Hayek' return, rap about recession, recovery
Rapping economists John Maynard Keynes and F. A. Hayek face off in a sneak peak of their next video. Read the full story
AT&T mines Twitter for anger over dropped calls
Venting customers will be used to track--and hopefully improve--cellphone coverage. Read the full story
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