Last year, James Cameron became the third person in history to venture to the deepest point on Earth, the Mariana Trench's Challenger Deep. He was also the first person to ever make the trip alone – a trip he made in a badass submersible, fittingly named the DEEPSEA CHALLENGER. Now, one year after his historic dive,

Marine biologists have discovered a vibrant community of ecologically important microbes living at the bottom of the 7 mile (11 km) Mariana Trench — the deepest part of the Earth's surface.

The folks over at Deep Sea News recently invited a marine biologist, writing under the pen name "Dour Marine Biologist," to provide some thought-provoking counter-observations to the media hype surrounding James Cameron's dive into Challenger Deep, the deepest point on Earth.

Over the weekend, James Cameron became the third person in history to venture to the deepest point on Earth, the Mariana Trench's Challenger Deep. He was also the first person to ever make the trip alone. This is the first footage to be released from his dive.

The Pacific Ocean's Mariana trench is so deep, it could accomodate the entirety of Mt. Everest with thousands of meters to spare. Now, the most precise measurements of the trench to date indicate that it's even deeper than we once thought.