Richard Thaler at Edge asks people for their favorite examples of wrong scientific beliefs, such as the world being flat and more. Scripps' Eric Topol responds that in medical school he was taught that one cells differentiated into heart muscle or nerves that they can never regenerate. "Wrong!! Enter the stem cell and regenerative medicine era," he adds. Derek Lowe names the four humors theory of physiology and that bad air caused infectious disease. "To me, the story of science has been the story of augmenting our perceptions, and realizing that they had to be augmented in the first place" Lowe says.