The discussion revolves around identifying effective materials for cleaning oil spills in a science project simulating ocean conditions. Suggestions include aerogels, oil booms, and absorbent materials like PigMat, human hair, and steamed chicken feathers, which have been used in real oil spill cleanups. Participants emphasize the importance of materials that separate oil from water without removing excess water. There is a humorous mention of using animals, but the consensus is to focus on non-living materials for the project. Overall, the conversation highlights various innovative and practical solutions for oil spill remediation.