The French surrealist still confounds, artists look at the past, present and future of the planet and Rachel Kneebone’s crazed delights blend into the Wallace Collection – all in your weekly dispatchThis Is Still Not a Pipe: The Afterlife of MagritteThe confounding, mind-boggling genius of Magritte is explored through remarkable loans of his paintings plus contemporary responses by Sarah Lucas, Matthew Barney and more.• Gagosian Grosvenor Hill, London, from 24 September until 12 December Continue reading...