In the ancient far North, there were two major holidays: the transitions between the dark and the light. Being near the poles, rather than the equator, changes culture, lifestyle, and relationship with the natural world. Fire and Ice will delve into the physical and cultural aspects of extreme temperatures and relationship with light and dark and translate that into practical ways to apply temperature and light, density and weight in herbalism and hydrotherapy. December is a time to prepare for the winter holidays and to experience the longest nights of the year.