The science of cryopreservation and cryogenics promises new life through fertility treatments, preserves plant and animal species and provides cell therapy for ailments ranging from cancer to spinal cord injuries. It can also help with organ transplants. Hosts Judy Muller and George Lewis discuss cryopreservation with three prominent scientists:  Allison Hubel, Professor of Mechanical Engineering at the University of Minnesota; Songi Han, Professor in the Department of  Chemistry and Biochemistry and the Department of Chemical Engineering at the University of California, Santa Barbara; and Nancy Levinger, Professor of Chemistry at Colorado State University.