Record amount of renewables capacity added in 2016: UN

The world added a record 138.5 gigawatts of renewable power capacity in 2016 despite a 23 percent drop in investment, reflecting the falling cost of clean energy, the UN announced Thursday.

Facebook launches digital assistant 'M' in US

Facebook on Thursday launched its digital assistant named "M" for US users of its Messenger application, ramping up the social network's efforts in artificial intelligence.

Scientists expand ability of stem cells to regrow any tissue type

When scientists talk about laboratory stem cells being totipotent or pluripotent, they mean that the cells have the potential, like an embryo, to develop into any type of tissue in the body. What totipotent stem cells can ...

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