IMAGE (IMAGE) Kyoto University Caption Incorporating dragonfly-shaped gate molecules into PCP/MOFs makes it a hundred times more efficient than before to separate water from heavy water, which has been difficult to separate due to their similar properties. Credit Mindy Takamiya/Kyoto University iCeMS Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA 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.