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iPhone 4S Introduces Amazing Features to Assist the Blind

Plenty has been written about the new iPhone 4S, but one little known feature is the amazingly thoughtful AssistiveTouch. Now, you can literally turn the screen off if you're blind and operate everything — do your e-mail, surf the Web, adjust settings, run apps — by tapping and letting the phone speak what you're touching.

Virgin Develops Jet Fuel With Half the Carbon Footprint of Others

Virgin Atlantic Airways and LanzaTech are developing an aviation fuel that will cut in half the carbon footprint of conventional flights. Instead of using plant stock for the fuel, waste gases are being captured from steel mills. The gases, which would otherwise burn up in the atmosphere as carbon dioxide, are fermented and chemically converted into jet fuel.

Wall Street Ends 2012 Riding High on "Cliff" Deal Optimism

U.S. stocks closed out 2012 with their strongest day in more than a month. Not only that, the S&P 500 ended the year up 13.4 percent since January 1 of last year, its best performance since 2009. The Dow Jones average added 7.3% for the year and the Nasdaq jumped 16%.