X-Ray Imaging of Sandfish (image) Georgia Institute of Technology Caption This X-ray image shows a sandfish swimming through granular media in the laboratory of Dan Goldman at Georgia Tech. Researchers compared video of the swimming to electrical signals from the animal's muscles to understand the neural control techniques being used. Credit Sarah Sharpe Usage Restrictions None 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.