Gabriel Orozco once showed us the shape of things to come. The Serpentine’s show of his dull geometry marks him down as a square, says Waldemar Januszczak

Surrealism was born 200 years before its time in the glorious detail of still-life genius Luis Melendez. By Waldemar Januszczak

Art & the 60s: This Was Tomorrow could just as easily be today. Waldemar Januszczak swings along to Tate Britain’s cool take on the Brit Art of yesterday