Around 500 people worldwide have chosen cryonics—the process of freezing the human body (or brain) immediately after legal death—hoping that future medical technology will one day revive them. The bodies are stored in liquid nitrogen at –196°C, halting cellular decay. Cryonics does not claim resurrection is currently possible. Instead, it is a bet on future advances in nanotechnology, regenerative medicine, and neuroscience. Supporters argue that preserving the body is better than burial or crem