Jeff Williams, BioMed Central (image) BioMed Central Share Print E-Mail Caption This shows Jeff Williams in the ISS: root 'waving' and 'skewing' occur in spaceflight plants independently of gravity. (BMC Plant Biology). Credit NASA Usage Restrictions None Share Print E-Mail 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.