Isolating nematodes in Chornobyl (IMAGE) New York University Caption The researchers wrapped each sample of soil or other organic matter in tissue and submerged the funnel under water. Over a period of ~12 hours, the nematodes migrate through the tissue and to the bottom of the funnel. Credit Sophia Tintori Usage Restrictions Use with credit 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.