Researchers linked comprehensive datasets with physical ocean processes to understand the exceptional marine biodiversity around the Cape Verde Archipelago. The study identified three key mechanisms driving nutrient transport and found that physical dynamics influence not only productivity but also the type of organisms present.
A new study reveals that the negative effects of the ozone hole on the Southern Ocean's carbon uptake are reversible, but only if greenhouse gas emissions rapidly decrease. The study found that as the ozone hole heals, its influence on the ocean's carbon sink diminishes, while the influence of greenhouse gas emissions rises.
A new study on natural oil seeps in the deep sea has found that hydrothermal processes mobilize dissolved organic matter, influencing local ecosystems and the global marine carbon cycle. The composition of released water-soluble organic molecules is strongly influenced by temperature and petroleum composition.
PET-based glitter microplastics promote calcium carbonate crystallisation in seawater, altering natural biomineralisation processes in marine organisms. The study's findings suggest that glitter microplastics can degrade rapidly, releasing smaller fragments that are easily ingested by marine life.
Researchers at North Carolina State University have developed a system that actively removes microplastics from water in a single cycle. The microcleaners, made from biodegradable materials, use the Marangoni effect to self-disperse and capture microplastics, which are then collected by skimming.
Researchers have discovered a protein called MdfA that enables bacteria to shut down into dormant spores under extreme conditions. This process allows bacteria to survive in uninhabitable places and evade hospital cleaning, making them potentially deadly superbugs.
Researchers discovered that tetrahedral Co²⁺ is preferentially incorporated into the lattice in early stages of Co(OH)₂ formation. The retention of tetrahedral Co²⁺ is linked to effective OH⁻ concentration, paving the way for optimized synthesis methods and enhanced material properties.
Researchers found a synchronization between geological climate archives and large-scale volcanic eruptions in the Deccan Traps, which may have caused mass extinctions. The study suggests that changes in Earth's orbit around the sun regulate the amount of incoming solar radiation, affecting global climate patterns.
Scientists are studying how microplastics affect microbial communities in ponds, with potential implications for carbon cycling and the global biosphere. Microbes have adapted to plastic surfaces, which could impact aquatic environments.
Researchers on the SONNE310 expedition investigate canyons on active and passive continental slopes in the southwest Pacific. The study aims to identify factors that determine landslide frequency, size, and location, enhancing global risk assessment and protecting coastal areas.
A £4.25m project will investigate 'tipping points' in marine ecosystems, which could have devastating consequences for the UK's fishing industry and global biodiversity. The TiMBER project, led by the University of East Anglia, aims to develop tools to assess risks and predict changes in marine biogeochemistry.
Research team finds that heavy Mg isotopic signatures in volcanic rocks can be explained by partial melting of serpentinite-dominated mélanges. The study proposes a novel model involving diapiric rise and melting of these mélanges, which aligns with geochemical characteristics of arc magmas.
A new study on Enceladus reveals its ocean forms distinct layers that slow material movement, potentially erasing biological signatures of life. This finding has significant implications for the search for life beyond Earth.
The University of Texas at Arlington (UTA) has donated thousands of natural history books and journals to Ecuador's National Biodiversity Institute, expanding its research and education programs. The donation, valued at over 8,570 books, 2,000 journals, and 500 articles, will support the work of biodiversity specialists, students, and ...
A new study by scientists at the University of Rochester suggests that atmospheric wind has a surprising impact on ocean eddies, which are circular currents of water about 100 kilometers wide. The research reveals that wind can both energize and dampen eddies, depending on their spin direction.
A team of researchers from Universidad Carlos III de Madrid created an innovative technique to produce regular oil lenses of uniform size on water surfaces. This discovery can help study the behavior of oily substances on water surfaces, with applications in oil spill mitigation and food industries.
A new study from DTU National Food Institute finds that temperature and light intensity play a crucial role in the yield of various nutrients produced by the microalga Nannochloropsis oceanica. The research suggests a two-stage cultivation process to optimize nutrient production, paving the way for sustainable food production.
A recent University of Washington study found that a slower increase in atmospheric carbon dioxide levels has less impact on the Atlantic Ocean's circulation. The research, published in PNAS, suggests that this slowdown allows the ocean system more time to adapt to rising CO2 levels and mitigates its effects.
Researchers used Re–Os dating to uncover the timing of Japan's geological history, revealing key insights into the region's evolution. The study focused on Besshi-type VMS deposits, which provided precise markers for the timing of subduction and ridge subduction beneath Japanese Islands.
Researchers discovered a diversity of novel hydrothermal vent styles on the Arctic Ocean floor, including metal-poor hydrogen- and methane-enriched fluids. This expansion has significant implications for understanding the origin of these vents and assessing their global-scale impact on the ocean and Earth system.
When two tropical cyclones collide in the Indian Ocean, they can intensify considerably, leading to extreme interactions between the ocean and atmosphere. The study found that effects occurred that have only been observed with much stronger cyclones, including a cooling effect of three degrees Celsius and upwelling of deep water masses.
Scientists warn that Alaska's Arctic Coastal Plain will experience unprecedented transformation due to the compounding effects of sea level rise, permafrost thaw subsidence, and erosion. By 2100, total land loss is expected to exceed erosional losses by up to eight times, posing new challenges to coastal communities.
The Amazon rainforest is a significant source of condensation nuclei for clouds, according to two studies. The rainforest's plant transpiration and thunderstorms produce aerosol particles that can be transported thousands of kilometers, influencing marine cloud formation.
The Antarctic Canyon Experiment (ACE) aims to assess the causes and effects of turbidity currents, also known as underwater avalanches, in the Southern Ocean. Researchers hope to develop a better understanding of Antarctica's role in regulating Earth's climate and mitigating carbon emissions.
Marine plankton's ability to absorb CO2 is influenced by ocean density, with denser waters leading to reduced calcification and increased alkalinity. This discovery reframes our understanding of the complex interplay between marine life and the global climate system.
A research team from Martin Luther University Halle-Wittenberg observed how sediment particles align during deposition in real-time using state-of-the-art technology. They found that clay particles adopt a certain orientation very early on, contradicting a common hypothesis about the alignment of clay particles.
Researchers at Curtin University found that the Ninetyeast Ridge, the Earth's longest straight underwater mountain chain, formed as a massive volcanic chain between 83 and 43 million years ago. High-precision dating revealed that the hotspot responsible for the ridge moved by several hundred kilometres within the mantle over time.
Greg Liu has developed a revolutionary way to convert certain plastics into soaps, detergents, lubricants, and other products through thermolysis. The process breaks down polypropylene and polyethylene molecules into chemical compounds, leaving minimal residual solids and usable oil.
SwRI researchers developed a tool to model environments expected on icy moons, accounting for organics and predicting conditions for microbial life. The project aims to constrain environmental factors and provide valuable information about ocean worlds.
Researchers from UC Riverside have identified the oldest known ecdysozoan, Uncus dzaugisi, dating back to the Precambrian period. This discovery fills a significant gap in understanding the origins of this diverse animal group, which includes nematodes, arthropods, and scalidophora.
Scientists from the University of East Anglia have discovered a 50-metre-thick 'intrusion' of warm water under the Ross Ice Shelf, which has increased heat transport into the cavity by 45% over the last four decades. This finding suggests that climate change will likely lead to further melting and ice loss.
A new study reveals that the Amazon rainforest is threatened by global warming and deforestation, which can trigger a domino effect on the entire system. The analysis of residual pollen and carbon residues suggests that the Atlantic Meridional Overturning Circulation (AMOC) plays a crucial role in shaping the Amazon ecosystem.
A new study reveals that ocean eddies off the leeward side of Hawaiian Islands supply nutrients to both sides of the island chain, stimulating blooms of phytoplankton and boosting biological productivity. This mechanism may also impact fisheries near Hawaii and other nutrient-poor regions.
The Atlantic Marine Energy Center (AMEC) will develop new research projects, infrastructure, and educational programs using the funding. Lehigh University will lead two research projects focused on tidal turbine blades and real-time stable marine energy microgrid power management.
Scientists have discovered microscopic marine organisms producing 'parachute-like' mucus structures that slow their sinking, stalling carbon dioxide absorption from the atmosphere. This finding may have overestimated the ocean's carbon sequestration potential, but also paves the way for improving climate models.
Researchers discovered a mysterious subduction zone deep beneath the Pacific Ocean, reshaping our understanding of Earth's interior structure. The team found an unusually thick area in the mantle transition zone, suggesting the presence of colder material that slows down oceanic slabs as they sink through the mantle.
A team of researchers from the University of Washington has developed a flexible pipe with an interior helical structure inspired by shark intestines, which can keep fluid flowing in one direction without flaps. The design rivaled and exceeded Tesla valves, a one-way fluid flow device invented over a century ago.
Researchers discovered high levels of siderophores in the ocean's twilight zone, where iron is deficient, affecting the biological carbon pump and nutrient cycles. This study contributes to understanding climate change impacts on the ocean's ability to absorb carbon.
Researchers from Kyushu University found that reducing plastic waste entering oceans by 32% by 2035 would result in more than 50% less plastic in the oceans by 2050. The study aims to provide a clear numerical target for global efforts to tackle marine plastic pollution.
Researchers found that Saharan dust blown thousands of kilometers away increases oceanic life by making iron more accessible through atmospheric reactions. The study measured bioreactive and total iron in Atlantic Ocean drill cores, revealing a relationship between distance traveled and bioreactivity.
Research found that bacteria have specific dietary preferences for lipids, influencing their degradation rates and efficiency in the ocean's mesopelagic zone. This study highlights the importance of microbial interactions and community dynamics in controlling global carbon fluxes.
A new study quantifies the impact of the Messinian Salinity Crisis on Mediterranean marine biodiversity, revealing a drastic reduction in species, with only 86 of 779 endemic species surviving. The crisis took over 1.7 million years to recover from, highlighting the long-term effects of ecological crises on biodiversity.
Researchers discovered that sponges in the Gulf of Eilat employ a unique tactic to deter predators by storing high concentrations of toxic molybdenum. The symbiotic relationship between the sponge and a bacterium enables this process, allowing the sponge to accumulate metals and neutralize their toxicity.
A new study from the University of Illinois Chicago proposes an alternative theory for the formation of Earth's continents, challenging the long-held leading theory. The researchers used computer models to investigate the origin of Archaean zircons, which date back to 2.5-4 billion years ago.
Researchers have found that the Southern Ocean absorbs 25% more carbon dioxide than previously estimated. The new study used direct measurements to assess existing flux products in the Southern Ocean.
A new study reveals that metallic minerals on the deep-ocean floor can produce oxygen, even in complete darkness. This discovery challenges long-held assumptions that only photosynthetic organisms generate Earth's oxygen and has significant implications for our understanding of the origin of life.
A new neural network-based tool can predict the emergence of rogue waves up to five minutes into the future with 75% accuracy. The tool has been trained on 14 million sea surface elevation measurements and was able to correctly forecast rogue waves near 172 buoys in the continental US and Pacific Islands.
Researchers at Texas A&M University uncovered how domestic rabbits become feral in the wild through natural selection. They found that all European, South American, and Oceania rabbits had a mix of feral and domestic DNA, explaining why they quickly adapted to living in the wild.
A new study led by UCL researchers found that the Gulf Stream was stronger during the last ice age due to more powerful winds across the subtropical North Atlantic. If climate change causes a reduction in these winds, the Gulf Stream could weaken, potentially cooling Europe and causing higher sea levels in North America.
A UC Riverside paper has opened the door to understanding more about life's beginnings and early evolution. The study weaves together data from ancient rocks, genomic studies of modern organisms, and recent breakthroughs about the evolving chemistry of the early oceans, atmosphere, and continents.
Researchers found seawater mixed with ore fluids to form gold, revealing a new mechanism for gold vein formation. This discovery could lead to the identification of high-grade gold deposits in sub-seafloor settings, reducing environmental impact.
A new study reveals the Jøtul hydrothermal field in the Arctic Ocean, which is rich in minerals and metals. The discovery of high concentrations of methane indicates a significant interaction with magma, contributing to ocean acidification and climate change.
Scientists from the University of Copenhagen have found that a chain reaction involving phosphorus recycling played a key role in ancient ocean anoxia. This self-amplifying loop led to rapid and prolonged marine anoxia, which could still pose a threat today due to human activities influencing nutrient dynamics.
Scientists from the University of East Anglia and other institutions review the climatic effectiveness of four 'nature-based' techniques using marine biological processes. They conclude that these activities cannot provide a significant contribution to carbon dioxide removal, posing risks to meaningful climate mitigation.
Researchers found that microbial communities can stimulate decomposition of both fresh and old organic matter, with significant implications for the marine carbon cycle. The study suggests that increased input of fresh organic matter due to climate change could lead to a disproportionate effect on degradation of refractory organic matter.
Ancient marine plankton communities showed subtle changes before major extinctions, serving as an early warning system for future ocean life loss. These findings offer new insight into how biodiversity responds to global warming and its relevance to worst-case scenarios.
Researchers identify a degradation process that accelerates refractory pyrogenic carbon in coastal sediments. Seawater microdroplets facilitate this electrochemical degradation through interfacial electron transfer pathways, contributing to the ocean's carbon cycle.
New research by Bangor University reveals that summer storms help maintain healthy oxygen levels in deep waters around the UK. The study shows that oxygen mixing can slow the development of a summer oxygen deficit, improving ocean health.
Researchers have discovered the first known nitrogen-fixing organelle within a eukaryotic cell, which challenges current understanding of biological nitrogen fixation. The discovery provides insight into ocean ecosystems and has potential implications for agriculture.
Researchers used computer simulations to demonstrate that a subduction zone originating in the Western Mediterranean will propagate into the Atlantic under the Strait of Gibraltar. This will create a new Atlantic subduction zone, which will then move down into the Earth's mantle.