1) Lindsay Morton reflects on how she discovered the field of epidemiology and how it satisfied her love for math, biology, and research  2) How the National Cancer Institute contributes to global cancer research and a look at the projects they pursue internally  3) Why studying the impacts of radiation on the human body is so complex and some of the testing methodologies and biometrics used  4) A review of past and ongoing cancer studies related to the Chernobyl incident and how it informs data in new incidents, like at Fukushima