Cryopreservation—or the deep freezing of tissues—enables storage and maintenance of biospecimens from whole human bodies, plant materials, and blood samples. It allows the suspended animation and temporal transport of cells, and within them DNA, into realms beyond the bodies whose lives these biologicals once helped constitute. That we can barely read that code matters less, as Joanna Radin has pointed out, than scientists’ desperate desires “to accumulate fragments of a world whose inherent plasticity, augmented by the corrosive forces of modernity, seemed poised to render certain life forms extinct” (Radin 2012). Taking blood is sometimes seen as urgent—…