HumansMaps and the 20th century: Where to draw the lines? From Donald Trump's proposed Mexican wall to the horror of two world wars, an exhibition at the British Library reminds that us that the map isn't always the territory Culture
HumansPlaying politics: exposing the flaws of nudge thinking Governments have experimented with "nudging" us into better public behaviour. But a new book by a proponent of the theory, underlines growing doubts Culture