What If the Earth Had No Core?

A blazing ball of fire lies deep underground. It’s Earth’s core. This colossal sphere of molten iron far beneath your feet is what made your life on Earth...

What If You Met a Time Traveler?

If time travel is possible, why haven’t we met a single time traveler yet? And if we did meet one, how would we know they weren’t faking it? What would their...

What If You Touched the Sun?

Ah. The Sun. So bright. So hot. Time to jump into your super heat-resistant spaceship and get so close you could touch it. If you dare. How would you get to the Sun’s...

What If the Universe Is a Loop?

If you got into a spaceship, and traveled long enough and fast enough, could you eventually loop back to where you started? Assuming you don’t accidentally collide...

What If Humans Could Hibernate?

[dx_custom_adunit mobile_id=”RTK_v1lP”] The weather outside is frightful, but the fire is so delightful… …So why not crawl up beside it and go to...

What If We Entered a New Ice Age?

Earth has gone through at least five major ice ages in its history. And you better start adapting now. Because another ice age is about to begin. Hypothetically. How...