Utah State University Chemists Alex Boldyrev and Ivan Popov (image) Utah State University Share Print E-Mail Caption Utah State University chemists, Professor Alex Boldyrev, left, and doctoral student Ivan Popov, are among an international group publishing findings on helium bonding under high pressure in Nature Chemistry. The USU chemists conducted chemical bonding analysis of the Na2He structure. Credit Mary-Ann Muffoletto/Utah State University Usage Restrictions Please credit Mary-Ann Muffoletto/Utah State University Share Print E-Mail 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.