We were hired by BBC Earth to produce a series of three animations to accompany a longform article on the Origins of Life. As this was quite a technical article, the videos were to provide some visual relief, explaining some of the complex concepts more clearly. This still shows ATP, which is used to power every cell. Proton pumps create a concentration gradient, which forces protons through the ATP synthase motor, which turns ADP into ATP, storing energy inside them that can be transported around the cell and used where needed.