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Cover Story

Teaching robots right from wrong

Artificial intelligence is outperforming the human sort in a growing range of fields – but how do we make sure it behaves morally? Simon Parkin meets the men trying to teach ethics to computers

Two women, one cause

Amal Clooney, a human-rights lawyer, is working with a Yazidi refugee to put Islamic State in the dock. Robert Guest travelled to Iraq to find out why

A dancer’s demons

Why did Sergei Polunin walk out on a golden career with the Royal Ballet? Julie Kavanagh goes to Kiev and Moscow to talk to him, his parents and his mentors

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