A Chemical Embrace from the Perfect Host (IMAGE) King Abdullah University of Science & Technology (KAUST) Caption Gengwu Zhang performs the separation experiment using two extraction towers. Credit © 2020 KAUST 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.