Cryonics: Art Quaif (seated at computer) and a colleague at Trans Time Inc., a cryonics company of Oakland, California. Cryonics involves the freezing of whole human bodies, organs or pet cats & dogs, and their preservation in liquid nitrogen to await a future thaw. Cryonicists claim that medical science in the future may offer a cure for cancer or the restoration of youth, and that their methods of preservation might offer some people an opportunity to benefit from these advances. Conventional cryobiology methods for freezing organs (for organ transplants, for example) are plagued by problems of intracellular ice crystal formation, which destroys their component cells.

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