![The Tasmanian devil's immune system is its best ally against the devastating cancer.](/web/20170312095626im_/http://www.smh.com.au/content/dam/images/g/q/c/8/7/n/image.related.wideLandscape.460x259.guu1a1.png/1489039902583.jpg)
Scientists 'switch on' the devil's immune system to kill deadly tumour
Tasmanian devils with tumours the size of golf balls have had their cancerous growths disappear, after scientists successfully trialled a new way to kick-start the animals' immune system.