Wet Lab-2 (IMAGE) NASA/Johnson Space Center Caption Astronaut Kate Rubins working with Wet Lab-2, a tool for quantitative gene expression analysis set for further testing this year. Credit NASA 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.