The Research Experience for High School Students (REHS) summer internship program at SDSC includes a track in Science Writing & Communications. Noelle Guan, a rising senior who attends San Marino High School, created and directed this brief video describing a recent study published online in April 2018 in The Journal of Chemical Physics that used SDSC’s Comet supercomputer and machine learning techniques to create the most accurate molecular model to-date of something we all can’t live without – water. Guan interviewed Andreas Goetz, a computational chemistry researcher at SDSC and a member of the study’s research team.