Synopsis

The second hour delves into further perils—both those born of nature and those wrought by human hands—that could threaten civilization’s survival. From the vastness of space to the minuteness of viruses, potential disasters abound. Yet, alongside these threats lie the technologies we employ to defend against them. Large asteroids have impacted our planet in the past, and such events are likely to recur. We meet those who track near-Earth asteroids through programs like NEAT, exploring the method