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: Derek K. Hitchins is a British systems engineer and was professor in engineering management, in command & control and in systems science at Cranfield University at Cranfield, Bedfordshire, England.