Fig 2 (IMAGE) Science China Press Caption The computational fluid dynamics simulation of the solution wedge under ambient condition (a-c) and the top-heating-bottom-cooling setup (d-f), including temperature fields (a, d), fluid flow fields (b, e) and solute concentration distributions (c, f) of the solution wedge. Credit ©Science China Press Usage Restrictions Use with credit. 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.