Retired teacher Virginia Rose came up with a map to help the mobility-challenged get outside into nature after finding her own passion for birding. Singers performing a duet, jazz players riffing together effortlessly, paired-up dancers never skipping a step: great performers are so coordinated, they become one. What are the mechanisms that regulate coordination and cooperation? Neurobiologists are learning more from some of nature's foremost musical performers: songbirds. The brains of duetting songbirds are linked together during performances, a new study published in Proceedings of the Nat...