Squishy Fingers (IMAGE) The City University of New York Caption This fully 3D-printed version of the grippers includes "fingernails" on the ends of the fingers to help pick up organisms that are sitting on hard surfaces, as well as mesh extensions between the fingers to keep samples secure. Credit Wyss Institute at Harvard University Usage Restrictions Material used from the Wyss Institute must be credited on-screen whenever the material is used as "Wyss Institute" or "Wyss Institute at Harvard University." 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.