On this episode of ID the Future, Ray Bohlin interviews physician Howard Glicksman about hemoglobin and the body’s need to have enough of it to transport sufficient oxygen to the tissues. Finely-tuned and exquisitely engineered, this system gave our ancestors enough oxygen to not only stay alive but thrive in the face of hostile challenges. Dr. Glicksman is author of an extended series of posts at Evolution News & Science Today, “The Designed Body.”