(IMAGE) The Ottawa Hospital Caption Astronaut Thomas Pesquet inserts blood samples for MARROW into the Minus Eighty-Degree Laboratory Freezer aboard the ISS. Credit NASA Usage Restrictions Only to be used in content related to this news release License Original 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.