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Salps fertilize the Southern Ocean more effectively than krill

Experts at the Alfred Wegener Institute have, for the first time, experimentally measured the release of iron from the fecal pellets of krill and salps under natural conditions and tested its bioavailability using a natural community of microalgae in.....»»

Category: topSource:  physorgJun 2nd, 2021

Paleontologists find omnivorous ancestor of the giant panda, revealing it was not always just a bamboo eater

The Hammerschmiede fossil site in southern Germany has yielded finds from about 11.5 million years ago that have rewritten evolutionary history. The sole species of bear discovered to date at the site was a relative of the giant panda. Its diet, howe.....»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Modified nano-sized cell particles found to boost cancer immunotherapy, reduce side effects

Immunotherapy is a type of cancer treatment that uses the body's own immune system to help fight cancer. This is by stimulating the immune response to recognize and attack cancer cells more effectively. The treatment involves using substances that bo.....»»

Category: topSource:  physorgRelated NewsSep 16th, 2024

Exceptional new fish fossil sparks a rethink of how Earth"s geology drives evolution

Coelacanths are deep-sea fish that live off the coasts of southern Africa and Indonesia and can reach up to two meters in length. For a long time, scientists believed they were extinct......»»

Category: topSource:  physorgRelated NewsSep 15th, 2024

Gravity study gives insights into hidden features beneath lost ocean of Mars and rising Olympus Mons

Studies of gravity variations at Mars have revealed dense, large-scale structures hidden beneath the sediment layers of a lost ocean. The analysis, which combines models and data from multiple missions, also shows that active processes in the Martian.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Urban forests could help reduce heat-related mortality, study suggests

Across the globe, heat waves are becoming more frequent and more intense. Therefore, how to effectively combat the adverse effects of heat is an increasingly important topic of research......»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Deep underground flooding beneath hot springs: A potential trigger for the 1995 Kobe earthquake

Researchers at University of Tsukuba have shown that the 1995 Kobe (Hyogo-ken Nanbu) earthquake, which struck southern Hyogo Prefecture, may have been triggered by deep underground flooding beneath Arima Hot Springs. By analyzing the stable isotope r.....»»

Category: topSource:  physorgRelated NewsSep 13th, 2024

Ford, utility team up to pay EV owners for using less power

Ford is the first automaker to participate in a Southern California Edison program that pays customers $1 per kilowatt-hour in reduced usage during periods of peak demand......»»

Category: topSource:  autonewsRelated NewsSep 13th, 2024

New research reveals how El Niño caused the greatest ever mass extinction

Mega ocean warming El Niño events were key in driving the largest extinction of life on planet Earth some 252 million years ago, according to new research......»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Microbe dietary preferences found to influence effectiveness of carbon sequestration in deep ocean

The movement of carbon dioxide (CO2) from the surface of the ocean, where it is in active contact with the atmosphere, to the deep ocean, where it can be sequestered away for decades, centuries, or longer, depends on a number of seemingly small proce.....»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Wreck discovered of French steamship that sank in Atlantic in 1856

A US dive team has discovered the wreck of a French steamship, Le Lyonnais, that sank in the Atlantic Ocean in 1856 after a "hit-and-run" collision with an American sailing vessel, claiming 114 lives......»»

Category: topSource:  physorgRelated NewsSep 12th, 2024

Q&A: Experts discuss ongoing atmospheric effects of San Bernardino fires on Southern California communities

Several Southern California communities, including Riverside, are being hit with smoke from the huge Line Fire in the San Bernardino Mountains, creating what the Environmental Protection Agency classifies as "very unhealthy" air quality......»»

Category: topSource:  physorgRelated NewsSep 11th, 2024

International team decodes the genome of the Greenland shark

The Greenland Shark (Somniosus microcephalus), an elusive dweller of the depths of the northern Atlantic and the Arctic Ocean, is the world's longest-living vertebrate, with an estimated lifespan of about 400 years......»»

Category: topSource:  pcmagRelated NewsSep 11th, 2024

How the oceans" most abundant bacteria impact global nutrient flows

If you were to collect all the organisms from the ocean surface down to 200 meters, you'd find that SAR11 bacteria, though invisible to the naked eye, would make up a fifth of the total biomass. These bacteria, also known as Pelagibacterales, have ev.....»»

Category: topSource:  theglobeandmailRelated NewsSep 11th, 2024

Reassessing the stability of the Florida Current: New insights from 40 years of observations

There is growing scientific interest in quantifying how large-scale ocean circulation is evolving as part of a changing global climate. Of particular interest is the potential weakening of the Atlantic Meridional Overturning Circulation (AMOC)......»»

Category: topSource:  theglobeandmailRelated NewsSep 11th, 2024

Thanks to humans, Salish Sea waters are too noisy for resident orcas to hunt successfully

The Salish Sea—the inland coastal waters of Washington and British Columbia—is home to two unique populations of fish-eating orcas, the northern resident and the southern resident orcas. Human activity over much of the 20th century, including red.....»»

Category: topSource:  physorgRelated NewsSep 10th, 2024

Whales are recovering from near extinction, but industrial fishing around Antarctica competes for their sole food source

The Southern Ocean encircling Antarctica is the world's largest feeding ground for baleen whales—species like humpbacks that filter tiny organisms from seawater for food. In the 20th century, whalers killed roughly 2 million large whales in the Sou.....»»

Category: topSource:  physorgRelated NewsSep 10th, 2024

Jellyfish under attack: Study uncovers parasitic spillover of a burrowing sea anemone

Many marine organisms, like sea anemones, struggle to spread across the ocean, especially if they lack long, mobile larval stages. Unlike their jellyfish relatives, sea anemones do not have a medusa stage, making their dispersal challenging. Their on.....»»

Category: topSource:  physorgRelated NewsSep 10th, 2024

Experimental nanomedicine delivers chemo drugs directly to tumors in mice

Researchers at the University of Chicago Medicine Comprehensive Cancer Center have developed a nanomedicine that increases the penetration and accumulation of chemotherapy drugs in tumor tissues and effectively kills cancer cells in mice......»»

Category: topSource:  physorgRelated NewsSep 10th, 2024

NASA spacecraft to study Jupiter moon"s underground ocean cleared for October launch

NASA on Monday approved next month's launch to Jupiter's moon Europa after reviewing the spacecraft's ability to withstand the intense radiation there......»»

Category: topSource:  informationweekRelated NewsSep 10th, 2024

With AI, extreme microbe reveals how life"s building blocks adapt to high pressure

An assist from a Google Artificial Intelligence tool has helped scientists discover how the proteins of a heat-loving microbe respond to the crushing conditions of the planet's deepest ocean trenches, offering new insights into how these building blo.....»»

Category: topSource:  theglobeandmailRelated NewsSep 9th, 2024