In the heartwarming 2007 US indie movie, Ryan Gosling’s lonely character Lars Lindstrom has a close relationship with a life-like doll he finds on the internet. ‘Emma’ is known as a companion robot.

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Earth from space This 2014 satellite photo shows Pakistan's Khor Kalmat tidal lagoon brimming with water at the heart of an arid desert. This fluctuating body of water, which looks like "ink ...