John Greenleaf, NASA (IMAGE) NASA/Johnson Space Center Caption John Greenleaf with a bottle of the NASA-developed rehydration beverage in a lab at NASA's Ames Research Center in Moffett Field, Calif. Credit NASA /Dominic Hart Usage Restrictions with credit to NASA /Dominic Hart 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.