The Art Show’s new presenter Daniel Browning finds Indigenous artists who enact healing and cultural rejuvenation through their artwork – from senior Pitjantjatjara elder and Betty Muffler, whose practice as a traditional healer – or ngangkari – extends to her monochromatic canvases mapping the topography and spiritual odysseys of her ancestor to the work of mainland Torres Strait Islander artists working in still lives and comic superheroes.