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: John Edgar Teeple was a chemical engineer who served as President of The Chemists' Club from 1921-1922 and received the Perkin Medal in 1927 for his work on potash during World War I.
