Samantha Cristoforetti (1 of 2) (IMAGE) NASA/Johnson Space Center Caption Samantha Cristoforetti conducts plethysmography and pulmonary function system measurements during Brain Drain investigation operations during Expedition 42 aboard the International Space Station. 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.