"Darwin's Radio" is a science fiction novel written by Greg Bear, published in 1999. The story explores the concept of a new virus that triggers rapid evolution in humans, leading to the emergence of a new species. This phenomenon raises ethical and scientific questions about evolution and the future of humanity. The novel follows a group of scientists and government officials as they investigate the virus and its implications. As they navigate the challenges posed by the evolving human population, themes of adaptation, survival, and the impact of science on society are examined throughout the narrative.