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The ultraclean icicle and the droplet, after melting.

Technology

World’s cleanest drop of water reveals why nothing is ever truly clean

A thin film of molecular dirt coats everything the air touches. But until now, nobody knew what it was, or where it came from

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a robot hugs a person

Technology

Artificial stupidity could help save humanity from an AI takeover

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Technology

Facebook bans hundreds of accounts linked to Russia and Iran

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A man with a fog net

Technology

Nanofibre net draws drinking water from the air for drought-hit people

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A pile of batteries

Technology

Paper batteries use electron-harvesting bacteria to make electricity

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Six pictures drawn by AI.

Technology

This AI will draw whatever you want - but it's utterly terrible

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A statue of William Shakespeare

Technology

AI creates Shakespearean sonnets - and they're actually quite good

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Two statues at US congress

Technology

Amazon face recognition mistakes US politicians for crime suspects

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Several cannabis edibles

Technology

Cracking down on illegal cannabis with edible barcodes and blockchains

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A lady controlling a robot arm with her mind

Technology

This mind-controlled robotic arm lets you do two things at once

Need a hand? Eight people have reliably used a mind-controlled robotic third arm to perform two tasks simultaneously

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Technology

Is North Korea really scrapping its nuclear weapons programme?

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Technology

Face recognition screens egg donors so your child will look like you

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Technology

Japanese computers may go haywire when the emperor abdicates

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Technology

Movie studio AI predicts who will like a film based on its trailer

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