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How much do smart weapons cost the military?
NASA's aircraft of the future (photos)
'Quietest place on earth' causes hallucinations
Top 20 most popular future jobs of 2030: Vertical farmer, limb maker, waste data...
10 challenges for your airline and airport in 2013
The practical uses of antimatter
When good lights go bad: LED breakdown
Scientists say Fukushima's food is safe. So why aren't the Japanese eating it?
Inside the secret online marketplace for illegal weapons
Russia's new stealth fighter to challenge for supremacy of the skies [video]
The whole world wants South America’s farmland
Why LED light bulbs cost so much (and how that's about to change)