It would be naïve to think we are going back to a world without AI. We’re not. But it's only one of many urgent problems we need to address to build security and prosperity for coming generations. The latest print issue of our magazine is all about our attempts to make the world more secure. From missiles. From asteroids. From the unknown. From threats both existential and trivial. We’re also introducing three new columns in this issue, from some of our leading writers: The Algorithm, which covers AI; The Checkup, on biotech; and The Spark, on energy and climate. You’ll see these in future issues, and you can also subscribe online to get them in your inbox every week. Here’s a taster of what else you can expect from this edition: + President Trump has proposed building an antimissile “golden dome” around the United States. But do cinematic spectacles actually enhance national security? + How two UFO hunting brothers became the go-to experts on America’s “mystery drone” invasion. + Both Taiwan’s citi­zens and external experts are worried that the protection afforded by its “silicon shield” is cracking. Read the full story. + How the humble pigeon paved the way for today’s advanced AI. Read the full story. + A group of Starlink terminal repair volunteers in Ukraine is keeping the country connected throughout the war. Read the full story.