Colbalt-60 Colbalt-60 More U of G News: U of G Receives Funding for Four Canada Research Chairs University Mourns Passing of Student U of G Students Compete to Find Solutions to Fight World Hunger Campus Safety Update: High-Risk Offender 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