Sealed inside that cryonic time capsule are layers of partially decayed organic matter, rich in carbon.
Called cryonics, the process is based on the hope that someday scientists will be able to attach the head to a new body.
Fantastic Voyage, which the futurist and cryonics enthusiast co-wrote with Terry Grossman, recommends a regimen to forestall aging so that adherents live long enough to take .