The program ran for six hours at 22 below zero.

It was barely enough.

The heating pads that Sather wrapped around her were the answer to the program’s question: if I keep this body going long enough, will something come to help?

The answer, in Jean Hilliard’s case, was yes.

The frostbite to her toes healed.

The cognitive effects of hours of severely reduced brain perfusion resolved.

The cardiovascular effects of the extreme metabolic depression reversed as the temperature rose.

The rigid, frozen body on the porch became, by noon the following day, a young woman who was talking.