The sponge-like structure of the chip (IMAGE) Karlsruher Institut für Technologie (KIT) Caption The sponge-like structure of the chip (in gray) was produced with salt crystals. In the lab, it is colonized by the red microorganisms within a few days. (Photo: Institute for Biological Interfaces-1, KIT) Credit Institute for Biological Interfaces-1, KIT Usage Restrictions The photo may be used in the given context exclusively 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.