The present has a special status for us humans – our past seems to no longer exists, and our future is yet to come into existence. But according to how physicists and philosophers interpret Einstein’s Theory of Relativity, the present isn’t at all special. The past and the future are just as real as the present - they all coexist and you could, theoretically, travel to them. But, argues Dean Buonomano, this interpretation of Einstein’s theory might have more to do with the way our brains evolved to think of time in a similar way to space, than with the nature of time.