Full-text search Fulltext search 2 Resultate Gentle identification of fish species through their DNA Identifying fish species in a river using DNA traces: This method was tested in Switzerland. It proved to be simpler and more reliable than the electrofishing method used to date. 29 tonnes of plastic waste fished out of the Pacific Ocean In a test phase lasting several weeks, the organisation “The Ocean Cleanup” successfully collected tonnes of plastic on the ocean surface with its system “Jenny”.