Turner prize 2014: Duncan Campbell wins Britain’s prestigious art award

Irish favourite takes prize for ‘essay film’ It for Others, which uses dance, the IRA and Marxism to explore the value of art

Mary Katrantzou: my love affair with Guy Bourdin’s photography

As the biggest ever Guy Bourdin exhibition opens in London, fashion designer Mary Katrantzou talks about the French photographer’s influence on her work

Art Basel, Miami and the beach that went boom

Lady Gaga’s recreating a painting from 1793 and Outkast’s André 3000 is showing off his jumpsuits. As the rich, famous and fabulous steer their jets to Miami, we look at how the art fair transformed the city

Farshid Moussavi: ‘We are in a world where ideas migrate’

The in-demand architect behind projects ranging from Parisian housing to Victoria Beckham’s Mayfair store talks about fashion, function and the power of physical space in a virtual world

Thomas Heatherwick plans $170m hovering miracle island for New York

The designer has dreamed up a Disneyfied island on stilts that boasts woodland, performance spaces and places to ‘wander and wonder’. But is this fairytale of urban planning too good to be true?