(Story producer & post supervisor - Vice Media)

Less than 2 percent of the ocean floor has been explored by scientists.

“Every time we go to the deep sea, we find new species of organisms,” explains geobiologist Victoria Orphan. “These organisms aren’t germs to be feared but actually are making the world tick.”

In episode six of The Most Unknown, astrophysicist Rachel Smith and geobiologist Victoria Orphan dive to the bottom of the Pacific at depths of 3,000 feet to probe the unseen microbial communities that feed off methane and invisibly alter our planet’s chemical environment.