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#deepsea

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Flatbush Gardener 🌈

Do you want kaiju? Because that's how you get kaiju.

mastodon.social/@h4ckernews/11
h4ckernews@mastodon.social - A 42,600-ton Chinese ship will drill 7 miles (ca. 11 km) under the ocean floor

farmingdale-observer.com/2025/

MastodonHacker News (@h4ckernews@mastodon.social)A 42,600-ton Chinese ship will drill 7 miles (ca. 11 km) under the ocean floor https://farmingdale-observer.com/2025/04/12/weighing-42600-tons-this-new-chinese-monster-was-built-for-one-purpose-to-break-the-world-record-for-the-deepest-drill-at-7-miles/ #HackerNews #ChineseShip #OceanDrilling #DeepSea #Exploration #RecordBreaking #TechnologyInnovation
#HackerNews#ChineseShip#OceanDrilling
Public
DoomsdaysCW

#Oxygen produced in the #DeepSea raises questions about extraterrestrial life

"Over 12,000 feet below the surface of the sea, in a region of the Pacific Ocean known as the Clarion-Clipperton Zone (#CCZ), million-year-old rocks cover the seafloor. These rocks may seem lifeless, but nestled between the nooks and crannies on their surfaces, tiny sea creatures and microbes make their home, many uniquely adapted to life in the dark.

"These deep-sea rocks, called polymetallic #nodules, don't only host a surprising number of sea critters. A team of scientists that includes Boston University experts has discovered they also produce oxygen on the seafloor.

"The discovery is a surprise considering oxygen is typically created by plants and organisms with help from the sun -- not by rocks on the ocean floor. About half of all the oxygen we breathe is made near the surface of the ocean by phytoplankton that photosynthesize just like land-dwelling plants. Since the sun is needed to carry out photosynthesis, finding oxygen production at the bottom of the sea, where there is no light, flips conventional wisdom on its head. It was so unexpected that scientists involved in the study first thought it was a mistake.

"This was really weird, because no one had ever seen it before," says Jeffrey Marlow, a BU College of Arts & Sciences assistant professor of biology and coauthor on the study, which was published in Nature Geoscience.

As an expert in microbes that live in the most extreme habitats on Earth -- like hardened lava and deep-sea hydrothermal vents -- Marlow initially suspected that microbial activity could be responsible for making oxygen. The research team used deep-sea chambers that land on the seafloor and enclose the seawater, sediment, polymetallic nodules, and living organisms. They then measured how oxygen levels changed in the chambers over 48 hours. If there are plentiful organisms breathing oxygen, then the levels would normally decline, depending on how much animal activity is present in the chamber. But in this case, oxygen was increasing.

" 'We did a lot of troubleshooting and found that the oxygen levels increased many more times following that initial measurement,' Marlow says. 'So we're now convinced it's a real signal.'

"He and his colleagues were aboard a research vessel tasked with learning more about the ecology of the CCZ, which spans 1.7 million square miles between #Hawaii and #Mexico, for an environmental survey sponsored by The Metals Company, a deep-sea mining firm interested in extracting the rocks en masse for metals. After running experiments on board the vessel, Marlow and the team, led by Andrew Sweetman at the Scottish Association for Marine Science, concluded the phenomenon isn't primarily caused by microbial activity, despite the abundance of many different types of microbes both on and inside the rocks.

"#PolymetallicNodules are made of rare metals, including #copper, nickel, cobalt, iron, and manganese, which is why companies are interested in mining them. It turns out, according to the study, that those densely packed metals are likely triggering "seawater electrolysis." This means that metal ions in the rock layers are distributed unevenly, creating a separation of electrical charges -- just like what happens inside of a battery. This phenomenon creates enough energy to split water molecules into oxygen and hydrogen. They named this "dark oxygen," since it's oxygen made with no sunlight. What remains unclear is the exact mechanism of how this happens, if oxygen levels vary across the CCZ, and if the oxygen plays a significant role in sustaining the local ecosystem."

sciencedaily.com/releases/2024

#LeaveItInTheOcean#DeepSeaMining#NoDeepSeaMining
Public
Hacker News

A 42,600-ton Chinese ship will drill 7 miles (ca. 11 km) under the ocean floor

farmingdale-observer.com/2025/

farmingdale-observer.com · Weighing 42,600 tons, this new Chinese “monster” was built for one purpose: to break the world record for the deepest drill at 7 miles.The Meng Xiang, China's latest maritime marvel, represents a remarkable advancement in deep-sea exploration technology. This colossal 42,600-ton vessel, whose name translates to "Dream" in English, has been engineered with a singular ambitious goal: to drill deeper into Earth's crust than any previous attempt, targeting an unprecedented depth of 11…
#HackerNews#ChineseShip#OceanDrilling
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anna_lillith 🇺🇦🌱🐖

Sign the petition to halt deep-sea mining projects and demand stricter global protections for the ocean.

Let’s keep the pressure on.

Follow 👉 seaspiracy on social media for more ocean news⁠

- Seaspiracy-

🌊🌊🌊🌊🌊

greenpeace.org/international/a

Greenpeace InternationalStop deep sea mining - Greenpeace InternationalThe deep ocean is one of the world’s largest, most fragile, and most important ecosystems. We need a global moratorium to stop the launch of this destructive new extractive industry.
#Seaspiracy#ocean#fish
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anna_lillith 🇺🇦🌱🐖

In short: US companies can apply for #mining rights in international waters, essentially bypassing international environmental regulations and protections meant to safeguard the ocean. This is a huge step towards the industrial #exploitation of the #DeepSea, which remains one of the last pristine frontiers on Earth.

And it’s not just a legal technicality, this is an environmental disaster in the making!

🌊🌊

Photo of massive green machine being released into the ocean While the world debates industrial fishing and offshore wind farms, a new corporate threat is creeping into the ocean. One that could strip-mine the seabed under the guise of 'green technology'
Public
Lukas VFN 🇪🇺

Deep-sea fish study reveals evolutionary marvels in Earth's hadal zone phys.org/news/2025-03-deep-sea

#Evolution and genetic adaptation of fishes to the deep sea sciencedirect.com/science/arti

"they confirmed a century-old hypothesis about deep-sea #fish evolution involving two distinct pathways. 'Ancient survivors' colonized the deep sea before the #Cretaceous mass #extinction, while 'new immigrants' account for the majority of modern #DeepSea species that emerged after the #MassExtinction."

a complicated graphic showing a map of the Indian and Pacific oceans and pictures of 10 different species of deep sea fishes and 2 Chinese research ships
Public
Benjamin Carr, Ph.D. 👨🏻‍💻🧬

#DeepSea #Fish of Nightmares Strays Into Shallow Waters
While on shark research expedition, about 2,000m off coast of Tenerife in the #CanaryIslands, which are part of #Spain. Marine biologists said they captured the first images of a live adult black seadevil #anglerfish.
One positive for nervous swimmers planning a trip to the Canary Islands: The fish is only about six inches long. It also has a less scary alternative name: humpback anglerfish.
nytimes.com/2025/02/12/science
archive.ph/pdj2I

The New York Times · A Deep-Sea Fish of Nightmares Strays Into Shallow WatersBy Victor Mather
Public
Benjamin Carr, Ph.D. 👨🏻‍💻🧬

Species of #DeepSea Bug The Size of a Small Dog Named For #StarWars Villain
As the head of the animal's carapace resembles the iconic scifi helmet adorned by Star Wars' infamous #DarthVader, Ng and team named the giant woodlice relative Bathynomus vaderi.
Despite being large enough to wear a collar and having a villainous appearance, deep sea #isopods are harmless to humans, feeding on decaying matter like their roly-poly and pillbug land relatives.
sciencealert.com/species-of-de

ScienceAlert · Species of Deep Sea Bug The Size of a Small Dog Named For Star Wars VillainIn 2022, staff from Hanoi University purchased a selection of 'supergiant' isopods at a seaford market in Quy Nhơn City in Vietnam, intrigued by a burgeoning market for the deep sea crustaceans as a delicacy.
Public
Lukas VFN 🇪🇺

Stripey-faced fish named after warrior princess San bbc.com/news/articles/cwywq42n paper: zookeys.pensoft.net/article/13

"A #DeepSea #fish new to science has been named after San, the warrior princess from #StudioGhibli's #PrincessMononoke, due to its striking facial markings... deepwater tilefish are found as deep as 600m below the surface... Only three #NewSpecies in the genus Branchiostegus have been identified in the last 34 years."

photo of a pinkish fish with a white and red stripe under its eye
#Animals#Miyazaki#Biodiversity
Public
Lukas VFN 🇪🇺

Deep-sea #shrimp have evolved enhanced vision for the bioluminescent world
phys.org/news/2025-02-deep-sea

#Bioluminescence and environmental light drive the visual #evolution of #DeepSea shrimp nature.com/articles/s42003-025

"Oplophoroidea migrate vast distances, up and down in the water column. Some of them have special glowing organs that they use to camouflage, defend themselves and maybe even communicate. They have evolved a diversity of light-detecting proteins that can help them navigate"

Photos of various species of bright red shrimp
Public
Lukas VFN 🇪🇺

Nearly 500 species of #DeepSea dwellers documented at Costa Rican methane seeps phys.org/news/2025-02-species-

A faunal inventory of #MethaneSeeps on the Pacific margin of #CostaRica: Charlotte Seid et al. zookeys.pensoft.net/article/13

"marine biologists have documented the highest known count of deep-sea species living in methane seeps off Costa Rica's Pacific coast... Of the documented species, at least 58 are entirely new to science"

collage of photos of various deep sea invertebrates like worms, crustaceans, corals, and sea stars
#NewSpecies#Animals#Invertebrates
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