| Print solar cells like newspapers Solar energy isn't efficient these days, requiring large surface areas to generate power and being a pain to manufacture. But scientists have figured out a way to incorporate nanostructures in solar cells and print it like words on a page. Read the full story U.S. Army to test smartphones for war The U.S. Army will hold desert trials next week to evaluate smartphones and tablet computers for use on the battlefield. Read the full story Corporate philanthrophy: More companies give more In aggregate, large enterprise businesses gave more than $15 billion during 2010. Read the full story Empowering the world's 'energy poor' About 1.5 billion people are in the dark. A United Nations group wants governments and companies to team up to turn their lights on with clean electricity. Read the full story Boeing: With 787 almost ready, it's time to harvest R&D efforts Boeing is set up to harvest its research and development efforts such as its Phantom Ray hydrogen-powered drone that can stay aloft for four days and its 787 Dreamliner, which should yield derivative planes for the years ahead.That's the message from Boeing CEO Jim McNerney, who was speaking at a Sanford Bernstein conference Thursday.McNerney acknowledged that Boeing has had some rough... Read the full story Innovating like Da Vinci may mean spurning traditional education system Leonardo da Vinci is arguably the greatest innovator of all time. Da Vinci's example helps justify Peter Thiel's radical 20 Under 20 fellowship for college dropouts. See why, and the big caveat. Read the full story Wireless power edges closer to the mainstream Duke University researchers propose more efficient materials for wirelessly charging devices. Read the full story Could a pill overwrite negative memories? Researchers from the University of Montreal claim to have found a pill that may overwrite bad memories. Read the full story Using sound waves to spot cancer's spread A device that filters tumor cells from blood using acoustic waves can determine if a cancer has metastasized. The cells remain unaltered and reusable for further examination. Read the full story Buttery-smelling chemical disorients mosquitoes A chemical cocktail targets the neuron in its brain that helps it sniff out the CO2 we exhale. Tests in Kenya confirm that confused disease-transmitting pests can't find their hosts. Read the full story Blockbuster innovation in tornado study Experts told him he was out of mind to even try it. But he did it anyway, and in the process wound up revolutionizing the way scientists study deadly tornadoes. Read the full story Clinton: to curb greenhouse gases, focus on methane Speaking at the C40 conference, former U.S. president Bill Clinton said cities and the World Bank should focus on methane, not carbon dioxide, to curb greenhouse gas emissions. Read the full story Panasonic, Accenture partner on smart city in Fujisawa, Japan To accommodate a rapidly growing population, Panasonic, Accenture and seven other companies will develop a smart town in Fujisawa, Japan. Read the full story Add it up: Density + IT = modern, green, smart city If you really want to improve consumption of the world's limited resources, support density and information technology in cities, Grist's David Roberts writes. Read the full story Philadelphia's ambitious green infrastructure, clean water plan Philadelphia is set to invest $2 billion in green infrastructure projects over the next 25 years. Find out how it will help clean up the city's water. Read the full story Digital signage and green grocery promotions By moving to digital delivery of their marketing, retailers and grocery stores could save big on wasted paper and cardboard. Read the full story | 
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