Some scientists claim that aging is a disease that can be cured. On this hour of Radiolab, the modern search for the fountain of youth, and personal stories of witnessing death: the death of a cell, the death of a loved one, and the aging of a society.
Until Leonard Hayflick came along, everyone thought cells were immortal. That they’d divide over and over again, forever. Hayflick torpedoes that theory and proved that there is limit. A very predictable limit: a magic number. To thank him, science textbooks everywhere now refer to that as ‘the Hayflick limit.’