alpha helices (IMAGE) DOE/Pacific Northwest National Laboratory Caption Researchers developed a new method for creating bio-inspired materials with precise shapes. Credit (Illustration by Nathan Johnson | Pacific Northwest National Laboratory) Usage Restrictions No restrictions. License Public Domain 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.