Freezing of organic matter in liquid nitrogen in order to preserve it for future use or resuscitation. Generally, cryopreservation is a technology to store living tissue at ultra-low temperatures indefinitely.

Articles on that refer to Cryopreservation

Why Cryosuspension Makes Sense By Terry Grossman
Notes and References By K. Eric Drexler
The Alcor Conference on Extreme Life Extension By Ray Kurzweil
Top News of 2002 By Ray Kurzweil and Amara D. Angelica

News Articles that refer to Cryopreservation

Memetic Scientific and Technical Encyclopedia
Suspended animation in model vertebrate induced
Fifth Alcor Conference on Extreme Life Extension to profile cryonic breakthroughs

Related Links

Guide to Cryopreservation
Cryopreservation of Large Biological Systems