Previous to the invention of HeLa cells, experts have been unable to ascertain tissue cultures with any dependability or security. More than six decades afterwards, this cell line is still alive and remaining used for professional medical exploration. See Eye on Ethics: The Immortal Cell Line of Henrietta Lacks to https://www.facebook.com/NewTechFind/posts/pfbid0FDwXLmxi2raDNPcEpRa9jeGJbqTJ9rKxkuvCV6x8ZRC8R3wYhPw7yVXLXMNTF8JFl