-
2Documents the story of how scientists took cells from an unsuspecting descendant of freed slaves and created a human cell line that has been kept alive indefinitely, enabling discoveries in such areas as cancer research, in vitro fertilization and gene mapping.
sign in
To take advantage of all of CharacTour’s features, you need your own personal account. Get entertainment recommendations for your unique personality and find out which of 5,500+ characters are most like you.
GET STARTED