#Vegetarian robots: Munching machines | The #Economist
<BR><A href='http://www.economist.com/science-technology/technology-monitor/displayStory.cfm?story_id=16095401&frsc=scn/fb/wl/ar/mm'>http://www.economist.com/science-technology/technology-monitor/displayStory.cfm?story_id=16095401&frsc=scn/fb/wl/ar/mm</a> 
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