A shadow appears beneath the surface. At first it is distant, almost harmless. Then it grows closer. A triangular fin cuts through the water, moving steadily in your...
Could you face guards who shoot to kill? Swim for hours or even days in the open sea? Or cross a vast, hostile desert? What kind of place can push a person to make these...
Earthquakes happen more often than many people realize. Smaller quakes of magnitude two or lower occur hundreds of times each day around the world. Stronger earthquakes...
With so many varieties in our skin tones, hair colors, and features, the human race is a marvel of evolution. But what if we all decided to preserve our family traits...
On Earth, rain is water. That is the only version any of us has ever known. Somewhere out there, rain is liquid iron falling through a 2,200 degree sky. Somewhere else...
Few natural disasters are as terrifying as a powerful tornado. These rotating columns of wind can tear apart homes, toss vehicles through the air, and leave entire...
The Blast Is Survivable, the Fallout Arriving Minutes Later Is What Gets Most People
You survived the flash. You survived the shockwave. You are standing miles from the blast, dazed but alive. You now have minutes, not hours, before the thing that...
Would you drink water that was extracted from the Moon? With NASA’s recent discovery of water on the Moon’s surface, it might become a more common practice...
These feisty marsupials are making an unexpected comeback in one of the most remarkable wildlife developments in recent history. But why are they called Tasmanian devils...
Imagine waking up one morning and realizing cats no longer exist. No more purring beside you at night, no curious eyes watching from the windows, and no tiny predators...
If you hear any strange noises while visiting Komodo Island, don’t go to check them out. Because you might find yourself face-to-face with the world’s...
Imagine if the ground beneath your feet could provide nearly limitless energy. Instead of depending on coal, oil, and natural gas, countries could drill deep into...
Helicopters have many unique advantages beyond just getting from point A to point B. They can act as ambulances to help ferry injured people to safety. They fight forest...
Wouldn’t it be great to have a truly jaw-dropping view? Like windows looking directly into space? Well, it’s time to build your very own cosmic skyscraper. What would it...
You’ve seen it in the movies and read about it in books, but now the idea of creating artificial life in a laboratory is becoming a reality. In 2010, a team of...
Your hand is caught, and the animal holding it has no intention of letting go. Everything in your body is telling you to wrench free. That instinct is about to make this...
What if north suddenly became south and south became north? What if Earth’s magnetic poles reversed overnight, just like they did around 780,000 years ago? The...
Throughout history, certain murderers have committed crimes so horrifying that their names became permanently associated with fear. They often appeared ordinary on the...
It sounds impossible today, but in the 1930s, a Nazi movement existed inside the United States. While Nazi Germany was rising in Europe, American supporters of Adolf...
You would live in giant glass domes, and grow small portions of food inside. And if you happen to go outside, it would be in your big clunky spacesuit, and you...

