<i>Arabidopsis thaliana/i> (IMAGE) University of Nottingham Caption Arabidopsis thaliana/i> root growing on soil preferentially branching towards moist soil." Credit Daniel von Wangenheim 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.