The Canadians Who Discovered Stem Cells

In 1961, Toronto scientists James Till and Ernest McCulloch proved the existence of stem cells. Their discovery, made at the Ontario Cancer Institute, was the foundation for all modern stem cell research, including bone marrow transplants and regenerative medicine. This quiet Canadian breakthrough fundamentally changed biology and gave hope to millions worldwide. #Canada #StemCells #MedicalHistory #Science 🇨🇦

https://en.wikipedia.org/wiki/Ernest_McCulloch