Aspergillus niger (IMAGE) Frontiers Caption Quartz disc with dried Aspergillus niger spores, before being placed in the aluminum sample carriers that went on the Trex-box Credit German Aerospace Center (DLR) Usage Restrictions Credit German Aerospace Center (DLR) 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.