Here, you can check out a ranking of open-world maps in video games, based on how exhausting it would be to walk around them ...

In Stephenson’s novel, the Primer looks like a hardcover book, but each of its “pages” is really a screen display that can show animations and text, and it responds to its user in real time via AI.

Even so, that figure is roughly 3 million to 6 million people – which would be a significant increase over the estimated 5.5 million Americans currently living abroad. As with many migration flows, ...