the cells is just kind of incomprehensible. >> when you produce this besides polio where else have they gone? >> everywhere. >> another example? and products? >> tataris -- you know, you can use them as a baseline. you can grow various things and if you want to grow a certain protein you can use the cells for that. and they -- research donner to go to the scientific data bases and you type in hela it's like going on google and typing and. the research on her cells -- it still goes today. >> what is hela? >> the name of the cells. >> henrietta -- >> it stands for henrietta lacks, right. i can't remember the number but it's like a number of scientific journal goals published each month using the hela cells is about, i can't remember exactly the around 3,000 papers a month. an enormous amount of research. >> how did you find this story? >> i first learned about the cells when i was 16 in a basic biology class. most people do. and -- >> after the 70's it became more public knowledge? >> well, no, most people don't know her name or anything about her that there are these cells so the scientists or biology teachers will talk about cancer and cells and say w