Preface: frozen spirits
Introduction: within cold blood
The technoscience of life at low temperature
Latent life in biomedicine's ice age
Temporalities of salvage
"As yet unknown": life for the future
"Before it's too late": life from the past
Collecting, maintaining, reusing, and returning
Managing the cold chain: making life mobile
When futures arrive: lives after time
Epilogue: thawing spirits.