He knew they were coming for him. For years he slept in different cities, traveled under a false name, and never stayed anywhere long enough to become predictable. The...
It is dusk, and you are walking through the African bush searching for firewood. You reach toward what looks like an ordinary branch lying on the ground. Then it moves...
Some of the planets in our Solar System are gigantic. But what if they got even bigger? Let’s go up the planetary size chart and see what kind of chaos doubling the size...
It’s the year 80 CE, and the Colosseum is packed with over 50,000 roaring spectators. The games are about to begin. But you are not in the crowd. You are in the arena...
Instead of falling apart after a single crash, now we all have cars that are completely indestructible. Would there be fewer fatalities caused by car accidents? What...
Imagine looking up at Jupiter, the largest planet in our Solar System, and deciding to jump straight into it. It sounds like the ultimate space adventure, but the...
Every year, around 140 million babies are born worldwide. And if we continue at this pace, 50 years from now the global population will reach 10.5 billion people. The...
Greetings, future moonling. That’s right. You are among the first generation of children born on the Moon. How would your birth compare to every previous human’s...
The time for talk is over. Now the biggest countries on Earth are fighting for global supremacy. What would happen if the United States started World War III? Who would...
