Bioinspired capsule (IMAGE) Massachusetts Institute of Technology Caption The researchers designed the capsules so that they can target different parts of the digestive tract. A second version has a tube-like shape that allows it to align itself within a long tubular organ. Another version of the device could be attached to an endoscope. Credit The researchers Usage Restrictions Credit must be given to the creator. No derivatives or adaptations of the work are permitted. License CC BY-ND 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.