Look in the mirror. The face that pins you with its double gaze reveals a chastening secret. You are looking into a predator's eyes. Most predators have eyes set right on the front of their heads, so they can use binocular vision to sight and track their prey.
Bio: David Rolfe Graeber was a London-based anthropologist and anarchist activist, perhaps best known for his 2011 volume Debt: The First 5000 Years. He was Professor of Anthropology at the London School of Economics.