Behavior Experiment (video) Cell Press Share Print E-Mail Loading video... Caption Behavior experiments in which flies were given the choice between wild-type and mutant fermentation headspace in the middle of the experiment, and they migrate accordingly. Credit Cell Reports, Christiaens et al. Usage Restrictions Credit Required 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.