Inside the Deep: Black Smokers, Lost City & the 7 Mile Mariana Trench

Seven miles below the waves, our planet hides a world that defies belief. From boiling undersea chimneys to ghostly trenches, this journey reveals how the deep ocean shapes life above the surface. Dive with Naked Science from the continental shelf to the abyssal plain, past methane hydrates that can burn like ice (Ross Anderson), a floating brine pool (Chuck Fischer), and towering black smokers explored by Deborah Kelly. See how Marie Tharp and Bruce Hazen’s seafloor map exposed the 40,000 mile Mid Ocean Ridge, then step into Lost City’s otherworldly white chimneys powered by rock chemistry, not magma. Descend with Don Walsh and Jacques Picard to the Mariana Trench, and trace how subduction forges islands like Montserrat and primes tsunamis from Java to the Cascadia zone. But the strangest reveal might be what feasts on a fallen whale—clues to a thriving ecosystem in eternal night. Curious what truly lies at the bottom of the sea—and why it matters on shore? Watch the full episode to uncover the forces, creatures, and secrets still hidden in the deep. #NakedScience #DeepSea #MarianaTrench #BlackSmokers #MethaneHydrates #TsunamiScience