Montreal writer and longtime blogger Emru Townsend is looking for a bone marrow donor to help him recover from leukemia. The catch is that he's of Caribbean descent, and most people on the donor registry are white and unlikely to be a match. But everyone who can is being asked to sign up – the Hema-Quebec site has the necessary form and instructions. They list it under stem cells in English or cellules souche in French. posted at 08:04