Scientists Rule Out Human Herpesvirus in Endangered Gorillas With Help From Chewed Plants
A mountain gorilla walks in the forest of East Africa’s Virunga Volcanoes conservation area. It stops at a piece of wild celery, sits down, and begins to chew. It strips the vegetable’s fibrous threads through its teeth, extracting the fleshy, juicy bits, then drops the chewed stalk on the ground and ambles away.