Fruit Fly Food (IMAGE) NASA/Johnson Space Center Caption Upper left: This is a fly food tray (the food is colored with blue food dye). Upper right: This shows two fly cassettes. Below: This is a fly cassette and fresh food tray loaded onto a Food Changeout Platform. Credit Image Credit: NASA Ames Research Center Usage Restrictions with credit to NASA Ames Research Center License Licensed 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.