Fascinating Gloop (IMAGE) ETH Zurich Caption ETH scientists are researching the unusual secretions of the hagfish. Over the next three years, the researchers will try to find out how this natural hydrogel can be harnessed for human use. Credit ETH Zurich / Simon Kuster et al. Usage Restrictions The rights to the images always remain with the person referred to as the copyright holder for them. Images published on ETH News may be used by other media and online portals only if ETH Zurich is specifically mentioned as the copyright holder and only in connection with the relevant ETH News article. Further distribution of images - for example, via download links - is permitted only with the approval of the picture owner. 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.