Diagram (IMAGE) University of Chicago Caption Although the exact chemical composition of both the early pre-biological molecules and early rain remain lost to time, the new paper from UChicago Pritzker School of Molecular Engineering postdoctoral researcher Aman Agrawal outlines how such a transition could have occurred. “While the chemistry would be a little bit different, the physics will remain the same,” Agrawal said. Credit UChicago Pritzker School of Molecular Engineering / Aman Agrawal Usage Restrictions N/A License Original 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.