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This is a cryonics-related (but not only that) blog by Mike Darwin. In order to make the content (which I consider great) more accessible, here are some direct

• DennisP 15y ago
  The article on cooling techniques doesn't seem to solve the ice crystal problem. Some guys in Japan might have cracked it though. They wanted a better way to preserve sushi. Their method uses a magnetic field to vibrate water molecules while they lower the temperature below freezing. Then they turn off the magnets, and the water freezes instantly, without crystals. It worked so well they'll planning to develop it further for organ transplants. I'm really curious what would happen if they tried it on a live animal. (google "magnet sushi organ")