Discover how dogs are being trained to detect malaria through scent in this 18-minute TED Talk by biologist James Logan. Explore the potential of using animal olfactory abilities to diagnose deadly diseases by identifying chemical signatures associated with infections. Witness a live demonstration featuring Freya, a malaria-sniffing dog, and learn about the innovative approach to disease diagnosis that could revolutionize healthcare. Gain insights into the fascinating intersection of biology, animal behavior, and medical science as Logan presents this groundbreaking research and its implications for the future of disease detection.