What If the Moon Fell to Earth?

What if the Moon suddenly began getting closer to Earth? To the point where it was on a collision course with our planet? Would the Earth survive the crash?

What If We Painted Earth White?

Imagine a white picket fence around a white house, with a white driveway and a white car. And it’s not just your house that’s white. It’s also the road...

What If No One Ever Died?

For most of human history, living to old age was a rare achievement. Just over a century ago, the average life expectancy in the United States was only around 50 years...