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Genius by numbers: why Hollywood maths movies don't add up

From A Beautiful Mind to The Theory of Everything and The Man Who Knew Infinity, Hollywood loves a mathematician. So why can’t it get beyond the fevered prodigy scribbling equations on windows?

‘Based on a true story’: the fine line between fact and fiction

From Kapuscinski to Knausgaard, from Mantel to Macfarlane, more and more writers are challenging the border between fiction and nonfiction

Happy Valley recap: the series two finale – come hell or high bridge

The action comes to a head with a deadly, gripping game of bluff – and once again, Sally Wainwright has created a tender tragedy that will freeze your blood

How a play changes through its run: 'you really learn a role after press night'

‘Growing exponentially with each performance’: Noma Dumezweni and Karla Crome in Linda at the Royal Court theatre in London.