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Deciphering the intensity of past ocean currents

Ocean currents determine the structure of the deep-sea ocean floor and the transport of sediments, organic carbon, nutrients and pollutants. In flume-tank experiments, researchers from MARUM—Center for Marine Environmental Sciences at the Universit.....»»

Category: topSource:  physorgOct 6th, 2023

How did magma oceans evolve on early Earth and Mars? Iron chemistry and primordial atmospheres offer clues

Before Earth became the blue planet, it was engulfed by a very different kind of ocean: a vast, deep magma ocean reaching down hundreds or perhaps even thousands of kilometers......»»

Category: topSource:  physorgRelated NewsOct 10th, 2024

Chagos Islands: How to ensure their coral reefs aren"t damaged as they return to Mauritius

The UK has agreed to transfer sovereignty of the largely uninhabited Chagos archipelago to Mauritius. The islands have been known as the British Indian Ocean Territory since being administratively detached in 1965 from what was then the colony of Mau.....»»

Category: topSource:  physorgRelated NewsOct 10th, 2024

Archive tells of cracking ancient Greek language

A retired Classics professor from Texas has donated a collection of papers to the University of Cincinnati detailing the deciphering of an ancient Greek language that baffled generations of scholars......»»

Category: topSource:  physorgRelated NewsOct 10th, 2024

Africa"s Great Green Wall will only combat desertification and poverty by harnessing local solutions, say researchers

In the rural village of Téssékéré, the increasing number and intensity of droughts linked to climate change is making the lives and livelihoods of the local Fulani communities increasingly vulnerable. Here, in the northern Sahel desert region of.....»»

Category: topSource:  physorgRelated NewsOct 8th, 2024

Australia moves to expand Antarctic marine park

Australia moved Tuesday to protect a swathe of ocean territory by expanding an Antarctic marine park that is home to penguins, seals, whales and the country's only two active volcanos......»»

Category: topSource:  physorgRelated NewsOct 8th, 2024

Cutting emissions the smart way: How an intensity-based approach drives real change

Investors' consideration of a firm's environmental performance, along with concerns about future impacts on profit, have led many firms to start trying to reduce their carbon footprint. But such environmental pressure—if not calibrated correctly—.....»»

Category: topSource:  physorgRelated NewsOct 7th, 2024

How future heat waves at sea could devastate UK marine ecosystems and fisheries

The oceans are warming at an alarming rate. 2023 shattered records across the world's oceans, and was the first time that ocean temperatures exceeded 1°C over pre-industrial levels. This led to the emergence of a series of marine heat wave events ac.....»»

Category: topSource:  physorgRelated NewsOct 4th, 2024

Five-mile asteroid impact crater below Atlantic captured in "exquisite" detail by seismic data

New images of an asteroid impact crater buried deep below the floor of the Atlantic Ocean have been published today by researchers at Heriot-Watt University......»»

Category: topSource:  physorgRelated NewsOct 3rd, 2024

Mathematicians and climate researchers build new models for understanding polar sea ice

Polar sea ice is ever-changing. It shrinks, expands, moves, breaks apart, reforms in response to changing seasons, and rapid climate change. It is far from a homogenous layer of frozen water on the ocean's surface, but rather a dynamic mix of water a.....»»

Category: topSource:  physorgRelated NewsOct 3rd, 2024

Senegal looks to aquaculture as fish stocks dwindle

The Senegalese town of Kayar sits on the doorstep of the vast Atlantic Ocean, but it is a farm located further inland that provides part of its fish production......»»

Category: topSource:  physorgRelated NewsOct 3rd, 2024

Push to map Great Lakes bottom gains momentum amid promises effort will help fishing and shipping

Jennifer Boehme grew up scouting beaches around her home in St. Petersburg, Florida, for whatever she could find. Rocks, sand dollars, coquina mollusks—anything the ocean gave up......»»

Category: topSource:  physorgRelated NewsOct 2nd, 2024

Watch the Crew Dragon hurtling through space at 17,500 mph

Watch this footage showing a Crew Dragon spacecraft zipping through space, high above the Pacific Ocean, as it travels to the space station......»»

Category: topSource:  digitaltrendsRelated NewsOct 1st, 2024

Increased sea surface cooling from hurricanes observed along the Southeast Coast of the United States in recent decades

Utilizing satellite observations and ocean reanalysis datasets, researchers have analyzed the change in sea surface cooling induced by hurricanes and the corresponding ocean-atmosphere environment along the Gulf and Southeast coastal regions of the U.....»»

Category: topSource:  physorgRelated NewsSep 30th, 2024

DNA technology enables molecular monitoring for marine change and threats

New DNA technology promises to improve efforts to monitor marine life in the Southern Ocean, and detect the presence of non-native marine species close to Antarctica......»»

Category: topSource:  physorgRelated NewsSep 30th, 2024

Asteroid Ceres is a former ocean world that slowly formed into a giant, murky icy orb

Since the first sighting of the first-discovered and largest asteroid in our solar system was made in 1801 by Giuseppe Piazzi, astronomers and planetary scientists have pondered the make-up of this asteroid/dwarf planet. Its heavily battered and dimp.....»»

Category: topSource:  physorgRelated NewsSep 28th, 2024

Machine learning accelerates discovery of high-temperature alloys

In a study recently published in Engineering, scientists from the University of Science and Technology Beijing, Guangdong Ocean University, and AiMaterials Research LLC have demonstrated a novel method to accelerate the discovery of refractory high-e.....»»

Category: topSource:  physorgRelated NewsSep 27th, 2024

Wolfs review: This slight comedy caper is no Ocean’s Fourteen

George Clooney and Brad Pitt's Wolfs is better as a hang-out movie than a crime thriller......»»

Category: topSource:  digitaltrendsRelated NewsSep 27th, 2024

The unexpected role of magnetic microbes in deep-sea mining

Polymetallic nodules are potato-sized formations on the ocean floor that are rich in minerals such as nickel, cobalt, and manganese. Their concentration of rare, economically important minerals has made the nodules the focus of controversial deep-sea.....»»

Category: topSource:  physorgRelated NewsSep 27th, 2024

Alternating currents for alternative computing with magnets

A new study conducted at the University of Vienna, the Max Planck Institute for Intelligent Systems in Stuttgart, and the Helmholtz Centers in Berlin and Dresden takes an important step in the challenge to miniaturize computing devices and to make th.....»»

Category: topSource:  theglobeandmailRelated NewsSep 26th, 2024

NASA pilots use specialty suits to validate data

Welcome to NASA's Plankton, Aerosol, Cloud, ocean Ecosystem Postlaunch Airborne eXperiment (PACE-PAX). We've been talking about this validation campaign and now are finally here. "Here" being one of three main locations where PACE-PAX validation effo.....»»

Category: topSource:  physorgRelated NewsSep 25th, 2024