Across Octavia Butler’s Xenogenesis trilogy, touch, chemosensation, and sensitivity to DNA itself offer a basis for building kinship relations that stretch across both species and interplanetary boundaries. In Dawn (1987), for instance, surviving a planetary apocalypse and centuries of racial capitalist violence and war making requires the reeducation of the senses. When she wakes up on a spaceship after nuclear war has made most of Earth uninhabitable, the protagonist Lilith Iyapo must slowly overcome her conditioned visual responses (“Look at me,” insists Lilith’s Oankali companion) and then learn to interact with a being whose face is filled with “sensory tentacles” (Butler [1987] 2000: 15). She is genetically recoded thanks to the preternatural sensitivity of the third gender known as ooloi (who can sense and manipulate DNA) and becomes capable of communicating through chemical cues. Through the transmission of olfactory chemical signals, “Strangers of a different species [are] accepted as...

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