Fruit Fly Tether (image) University of Washington Share Print E-Mail Caption A fruit fly suspended in a magnetic field alters its flight path depending on cues it receives from light polarization. Credit Peter Weir Usage Restrictions News use only. Share Print E-Mail 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.