Researchers Record Activity of Fly Neurons During Flight (image) California Institute of Technology Share Print E-Mail Caption A dye-filled glass electrode (pink) is inserted into a fruit fly's brain. The electrode and the brain are immersed in saline (colored blue in this image). The fly is flapping its wings in tethered flight. Credit Gaby Maimon and Michael Dickinson/Caltech Usage Restrictions None 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.