Total starts production at French biofuel refinery

Total on Wednesday said it had begun producing biofuel at a refinery in southern France, a project that has sparked an outcry from environmentalists and farmers over its plans to import palm oil.

How 'doping' boosts next-gen solar cells towards commercialisation

An international team of researchers has brought a new generation of solar cells a step closer to commercialisation, by showing how sunlight can trigger a 'healing process' in the cells to improve their efficiency and stability.

Teaching computers the nuances of human conversation

Computer scientists have successfully developed programs to recognize spoken language, as in automated phone systems that respond to voice prompts and voice-activated assistants like Apple's Siri.

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