you can buy a file of hela cells and the products made using none anywhere after about $10,000 a vaio. but how much of that is the hela, how much is the science, people -- >> who owns he loved? their biological supply companies. >> so a lot of companies sell them? >> and there's nonprofitable banks to provide them and them just as to keeping cells alive and going for science. yeah, anyone can fill them. and, you know, so that the questions, i have a tissues on file somewhere, a lot of them being used in research. , then turned into commercial products in some way. so the question is to the lack is a big one because if you give money to the rebecca skloot, what about the lives way of the others being used in research and where does that money come around part of this larger discussion that is happening about who should be profiting parts of the human body and who should have control over that? in a a lot of ways is becoming part of the health care debate because so much of our future edison drugs and testing and everything else starts with research on human cells that are taken from pe