Colbalt-60 Colbalt-60 More U of G News: COMMENTARY: Let’s Change How We Talk About Athlete Mothers OVC Professor Emeritus Appointed to Order of Canada U of G Professor and Food Scientist Named to Order of Ontario Expert Available: California Wildfires Share this page Share to Twitter Share to Facebook Share to LinkedIn Share via Email Posted Thursday, February 23, 2017Updated Thursday, February 23, 2017 Lead photo: Cobalt-60 is an isotope that emits gamma rays and can be used for cancer treatments and the sterilization of medical devices Search News Search News Search U of G News