Zineb Sedira’s ocean-inspired work at DCA offers adventure on the high seas, insight into the concept of ecological justice and much more besides, depending on where your imagination takes you, writes Susan Mansfield
New exhibitions by Saoirse Amira Anis, Lis Rhodes and Kira Freije open across Scotland this month; here's our pick of May's best shows, events and exhibitions
Hilma af Klint and Piet Mondrian unite, Mat Collishaw dives into the digital and a modern master considers himself in his 90s – all in your weekly dispatch