Space-Traveling Flatworms (IMAGE) Tufts University Caption An amputated flatworm fragment sent to space regenerated into a double-headed worm, a rare spontaneous occurrence of double-headedness. Credit Junji Morokuma, Allen Discovery Center at Tufts 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.