Shortly after the influential biogerontologist L. Stephen Coles was declared legally dead in 2014, his brain was put on ice, sealed in a vat in Arizona. For over 10 years it sat there, held at -146 degrees Celsius, or nearly -295 degrees Fahrenheit.
The brain — or chunks of it, to be exact — finally saw the light of day when Greg Fahy, acryobiologist and friend of Coles’, began a biopsy over a decade after the man’s death. Despite having been frozen at such extreme temperatures, Fahy