S. caninervis detail (IMAGE) Utah State University Caption Researchers at USU and BYU describe how the leaf hair point extracts water vapor from the atmosphere using multi-scaled structures. Credit Tadd Truscott 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.