Is the wait for the weekend dragging on too long? Rest assured: a few days mean nothing in the history of our earth. In fact, a human life is only a speck in the four and a half billion years that the globe has existed. Geologist João Trabucho Alexandre (Utrecht University) gets us thinking about our place in history, as he explains the concept of deep time. Can we be significant, even if we're only briefly here? And how do we grapple with questions that exist on a huge time scale?