Mike Smotherman joins us again to talk echolocation in bats, specifically howphysiological studies in his labinvestigate the circuitry that shapes sonar pulse acoustics. He discusses how bats in groups implement circuit plasticity to coordinate their sonar systems to minimize interference. Duration: 39 minutes Discussants:(in alphabetical order) Salma Quraishi (Res Asst Prof, UTSA) Todd Troyer (Assoc Prof, UTSA) Charles Wilson (Ewing Halsell Chair, UTSA) acknowledgement: JM Tepper for original music.