CRYO2018 is the 55th annual meeting of the Society for Cryobiology, a nonprofit society devoted to dissemination of research in the field of cryobiology the science of life at low and freezing temperatures. Our annual meeting is the world’s most diverse gathering of cryobiology professionals from around the globe, covering the full spectrum of this multidisciplinary field including the latest research on human, animal, and plant cryobiology. The theme of the 2018 meeting is Scientific Challenges of Cryobiology. What are the largest challenges facing cryobiology today and where to from here?