Will cancer ever become just another chronic but manageable disease? What can a squirrel biologist teach us about treating cancer? In this episode, Marty and Art talk with Joel Brown about how to contain cancer using basic ideas from ecology and evolution. To Joel, cells in tumors are like organisms in ecosystems, and fighting cancer means using what we know about species in nature to tilt the playing field against the worst kinds of cancer cells. He and his team at the Moffit Cancer Research Center in Tampa, Florida, are starting to have some remarkable success treating different kinds of cancer. We interviewed Joel in front of a live audience at Circa 1949 in Tampa, FL—our first live event!