I was just reading on Wil Wheaton's site about his friend of a friend who is looking for a bone marrow donor. Please click on the link, read what he has to say, and contact your local registry. I had no idea donating bone marrow was so easy. Seeking a Potential Bone Marrow Donor
Reading it was upsetting to me in that something so simple could save a life. So I'm just doing my part to spread the knowledge.