• A 2015 NRDC article was shared that proposes using leeches as a non-invasive, low-cost tool for biodiversity monitoring—DNA left in leech blood meals can identify endangered or elusive vertebrates without the need for trapping or camera surveys.

• The channel briefly debated the ethics of releasing leeches into the wild for conservation purposes, with one participant framing the leech itself as the agent violating consent rather than the human releasing it, highlighting a tongue-in-cheek take on bioethics and agency.