Researchers in the Yun Ding Lab (IMAGE) University of Pennsylvania Caption From left: Dawn Chen, a postdoctoral researcher at the University of Pennsylvania; associate professor Yun Ding, and Minaho Li, a graduate researcher at the University of Pennsylvania. The researchers used a 96-channel recording apparatus Ding and collaborator Steven Sawtelle developed called the "SongTorrent." It's a likened to a film set, simultaneously capturing audio and video of the flies' courtship bouts. Credit Eric Sucar Usage Restrictions All are free to redistribute if appropriate accreditation is given to the University of Pennsylvania. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.