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Posts Tagged "ocean floor"

Expeditions

Fidgeting and planning, and good news for Frank

Editor’s Note: University of Southern California geobiologist Katrina Edwards is taking part in a three-week drilling project at the Atlantic’s North Pond—a sediment-filled valley on the ocean floor—designed to locate and study what she calls the “intraterrestrials”: the myriad microbial life-forms living inside Earth’s crust. This is her ninth blog post. To track her research [...]

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Expeditions

Drill, baby, drill: Our first core samples

Editor’s Note: University of Southern California geobiologist Katrina Edwards is taking part in a three-week drilling project at the Atlantic’s North Pond—a sediment-filled valley on the ocean floor—designed to locate and study what she calls the “intraterrestrials”: the myriad microbial life-forms living inside Earth’s crust. This is her fifth blog post. To track her research [...]

Keep reading »
Observations

Submersible Dives Deep and Dies, Disheartening Scientists

Wood Hole’s Nereus sub succumbed to extreme pressure and imploded six kilometers down while exploring the vast Kermadec Trench. Image courtesy of Woods Hole Oceanographic Institution (WHOI).

Efforts to explore the deepest recesses of Earth’s oceans were dealt a heavy blow last weekend when one of history’s most accomplished deep-sea explorers imploded several kilometers beneath the Pacific and resurfaced in pieces. Fortunately, the ill-fated Nereus submersible was a robot and no one was injured when it succumbed to overwhelming subsurface pressure during [...]

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Observations

Mat of microbes the size of Greece discovered on seafloor

census of marine life microbes mat burrowers

Gargantuan whales and hefty cephalopods are typically thought of as the classic marine mammoths, but they might have to make way for the mighty microbes, which constitute 50 to 90 percent of the oceans’ total biomass, according to newly released data. These tiny creatures can join together to create some of the largest masses of [...]

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