Following is a transcript of the video. Narrator: The Mariana Trench is the deepest point on Earth. So deep that if you dropped Mount Everest inside, its peak would still be more than a kilometer ...

Insights into surviving the extreme conditions of the Mariana Trench. Plane crash kills 120 in South Korea as Jeju Air flight veers off runway What The Recirculation Button Does On Your Car (And ...