What’s really happening in the ocean’s “dark zones”

Transcript

• [Johnny] Most of our world is hidden in darkness. (light music) This is the deep sea, which is the vast majority of our planet. And even here on Google Earth, we're looking at digitally-modeled shadings of the ocean floor, not pictures of the surface like we have on land. And forever I thought that's because there wasn't much to look at out here.... Read More