Bird Bones in Flight (IMAGE) Brown University Caption Shown are three frames from an X-ray video of a pigeon flying in a wind tunnel. Under a new medical and scientific imaging system being built at Brown University, these frames will come to life in a high-speed animation that shows bones moving in 3-D. Credit Stephen Gatesy/Brown University Usage Restrictions None 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.