Exhibition of the week Saint Francis of Assisi This fascinating, unexpected exhibition shows what connects the Arte Povera movement with the 800-year-old rough robes of Saint Francis and what Marvel has in common with Caravaggio. Read our review here. • National Gallery, London, 6 May to 30 July. Also showing Titanosaur A colossal dinosaur skeleton that makes diplodocus look diddy is the star of this show. • Natural History Museum, London, until 7 January. Marguerite Humeau Last week to see this installation of sprawling, spiky sculptures in which artificial intelligence collides with craft. White Cube Bermondsey, London, until 14 May. Laura Wilson Installations that tease historical and social meaning from everyday materials. • CCA Derry-Londonderry, until 3 June. Takahashi Hiromitsu Kabuki theatre scenes that mix traditional printmaking with pop art. • Ashmolean Museum, Oxford, until 4 February. Image of the week |