Since the advent of modern philosophy, causation has been treated as a relation between two separate events. Any worldly dynamism is then provided by the succession of essentially static events. Recent decades have seen a revival of interest in powers, but this has been hampered by an acceptance of many of the presuppositions of modern philosophy, most conspicuously those of Hume. Simply placing powers on top of the static Humean framework will not do. Causal dispositionalism offers a more dynamic notion, where an instance of causation involves a unified process rather than a relation between distinct events. This theory has a number of advantages. It can account for change as well as stability, long- and short-lived processes, genuine complexity and real emergence, non-linear interaction of causes, extreme context-sensitivity, and contrary powers. This is a more plausible framework for understanding causation in biology, ontologically and epistemically.