Biotechnology
An IVF clinic freezes an embryo and thaws it years later. Nobody can do that to a kidney, and the obstacle is heat rather than biology
16 Sept 2026 · 8 min read
Embryos, sperm and cell therapies are banked routinely. Organs are not, and transplant surgery still runs against a clock measured in hours. The difference is almost entirely a matter of how fast heat can get out of an object — and, more awkwardly, back into it.
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