By Carolyn Cowan If there’s one field of research that speaks to humanity’s relationship with the natural world, it’s the interface between wildlife and health. Human alteration of the planet through deforestation, climate change, our globalized food system, and the legal and illegal wildlife trade has brought people, livestock and wildlife into unprecedented proximity, risking disease emergence and transmission that not only imperils human populations, but can also hasten the demise of threatened wildlife species. The scope of study at this vital nexus received a big boost recently when Corne…