Game Changer | Dec 6, 2011 | 25:13

GC: The discovery of stem cells by Canadian scientists

It was one of those Sundays, where one scientist was spelling off the other, checking the lab mice in a project that was all about using radiation for cancer treatment. So imagine their surprise when the two scientists realized what was really happening to those mice. They were growing stem cells. The year was 1960. The scientists were right here in Canada. Today, the story of James Till and Ernest McCulloch, two of Canada's most accomplished and least heralded scientists.

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