Queensland researchers are developing a potentially world-changing screening test for ovarian cancer, one of the most serious cancers affecting women.Currently, less than half of women diagnosed with ovarian cancer will be alive five years later, and there is no screening program despite survival rates being much higher when the cancer is detected early.Scientists from the University of Queensland have developed a screening test based on microscopic bubbles, called extracellular vesicles (EVs), which are naturally released by cells and carry protein