The Polio Files

Science enthusiast Marnie has a history of digging deep with her research, and her investigation of polio is no exception. Along with her trusty AI sidekick Glitch, Marnie discovers the fascinating history of Polio and how scientists used inquiry to discover its cause and eventually to develop a vaccine. In learning about Jonas Salk and the polio vaccine, Marnie and Glitch uncover the power of sci...