A new suggestion that complexity increases over time, not just in living organisms but in the nonliving world, promises to rewrite notions of time and evolution. In 1950 the Italian physicist Enrico ...

As humans, we naturally seek simplicity, routine and predictability. When we see a problem, we want to be able to enact a straight-forward solution. Often, however, our problems aren’t simple, but ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...