Collecting Air Samples (IMAGE) Georgia Institute of Technology Caption Terry Lathem, a graduate student in Georgia Tech's School of Earth and Atmospheric Sciences, takes notes aboard a NASA DC-8 gathering samples of microorganisms in the atmosphere. 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.