Silkworm (IMAGE) Weizmann Institute of Science Caption A silkworm viewed with an infrared camera. The pale elongated cavity is the silk gland. Credit Natural Materials Group, Weizmann Institute of Science 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.