Activation phenotype of UpWiNs (VIDEO) Howard Hughes Medical Institute This video is under embargo. Please login to access this video. Caption New research identifies neurons in the fly brain that control upwind steering. When the neurons are activated (red box), the flies turn toward the wind and walk upwind. Credit Credit: Aso et al. Usage Restrictions Please use caption and credit provided 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.