Origins: The Evolution of Continents, Oceans, and Life

Changes in climate and sea level are nothing new — over the last 700 million years, the Earth has been slowly but constantly changing from within. We now know that our planet’s surface, far from being fixed or stable, is composed of tectonic plates in continual movement, drifting in oceans which themselves appear and disappear over millennia. Such insecurity lies at the heart of both the physical and the living world, providing the creative impetus for all life forms to confront change, ada...