Explaining Nature on Instagram: "In a deeply moving encounter, a former caretaker was called to visit a terminally ill chimpanzee in her final days. Frail and near the end of her life, the chimp initially seemed withdrawn, uninterested in food, and unresponsive to those around her. But everything changed the moment she recognized the familiar face of the man who had cared for her years before. At first, she appeared weak and lethargic, barely acknowledging his presence. Then, as he gently stroke