Silk fiber captures steel bolts (VIDEO) Tufts University This video is under embargo. Please login to access this video. Caption Liquid stream of silk solution solidifies to a fiber, adheres to and lifts several steel bolts from a petri dish filled with sand Credit Marco Lo Presti, Tufts University Usage Restrictions Free to use in connection with reporting on this research License Original 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.