Flatworms Returning from Space (image) Tufts University Share Print E-Mail Caption Worms returning from five weeks in space curled up and were immobile when transferred to petri dishes containing fresh spring water. By contrast, stay-at-home control worms moved rapidly and fully extended themselves. Credit Junji Morokuma, Allen Discovery Center at Tufts University- Usage Restrictions None 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.