Peter Watts's science fiction novel sends a crew of radically modified humans to investigate an alien artifact at the edge of the solar system. The narrator, Siri Keeton, is a 'synthesist' whose childhood surgery removed half his brain, leaving him unable to empathize but able to perceive patterns others miss. His crewmates include a linguist with multiple personalities, a biologist more machine than human, and a vampire - not supernatural but a resurrected predator species that hunted human ancestors. They are sent because the alien presence they're investigating seems to operate on principles so foreign that only minds unlike standard human consciousness might understand it. Watts, who holds a doctorate in marine mammal biology, saturates the novel with speculative science about consciousness, communication, and what intelligence means. The book questions whether self-awareness is an evolutionary advantage or a dead end, whether beings can be intelligent without being conscious, and whether humanity could recognize truly alien minds. The prose is dense, the concepts challenging, and the conclusions unsettling. For readers seeking hard science fiction that takes its speculation seriously and is willing to follow disturbing ideas to their conclusions, Blindsight has become a cult classic, praised by scientists and science fiction fans alike for its rigorous extrapolation.