“Someone discovered the giraffe hums at a harmonic rate of 92 Hertz, voice thrumming the tower of spine and trachea once thought to be silent….” ”Ode to This Small Joy”- Maria Calabretta Cancio-Bello After reviewing almost 1000 hours of sound recordings in three European zoos, Angela Stöger at the University of Vienna, Austria… picked up a weird […]
