Finding your inner time machine: My new column for Discover

My latest Brain column is now online. I look at the science of time travel. We may not be able to transport ourselves physically into the future or the past as H.G. Wells imagined, but we can travel mentally. And it turns out that we use a lot of the same equipment to go in both directions. In fact, our ability to remember our past may have evolved because it helped us project ourselves into the future. Check it out.[Image]