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US carbon emissions in surprise drop

US emissions of carbon dioxide blamed for climate change fell in 2011 and have slipped to a 20-year low this year as the the world's largest economy uses more natural gas and less coal, data shows.

dateAug 17, 2012 in Environment
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An enzyme to ease biofuel production

Limited availability of fossil fuels stimulates the search for different energy resources. The use of biofuels is one of the alternatives. Sugars derived from the grain of agricultural crops can be used to produce biofuel ...

dateAug 15, 2013 in Biotechnology
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Humanoid robot that sees and maps

( —Computer vision algorithms that enable Samsung's latest humanoid robot, Roboray, to build real-time 3D visual maps to move around more efficiently have been developed by researchers from the University of Bristol.

dateJul 02, 2013 in Robotics
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