What If The Earth Had Two Moons?

  But how would a second moon affect the ocean tides? Would months on Earth become longer or shorter? And would these two satellites inevitably collide to cause a...

What If We Burn All the Oil?

Scroll down to watch the video.  What could you do to stop a giant fire tornado? Or anchor a floating house? If your answer is “probably nothing,” then...

What If You Fell Into Lake Kivu?

  If you were going for a refreshing swim, the last thing you’d expect is to suffocate from toxic gases. But when it comes to Lake Kivu, this is one dangerous body...