An ancient link between heart and head — as seen in the blobby, headless sea squirt
Nature reports: The head is stately, calm, and wise, And bears a princely part; And down below in secret lies The warm, impulsive heart. — John Godfrey Saxe, 1898 For centuries, writers have mused on the heart as the core of humanity’s passion, its morals, its valour. The head, by contrast, was the seat of cold, hard rationality. In 1898, US poet John Godfrey Saxe wrote of such differences, but concluded his verses arguing that the heart and head are…