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Categories: Ecology: Sea Life, Space: Astronomy

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Space: Astronomy Space: Astrophysics Space: Exploration Space: General Space: Structures and Features Space: The Solar System
Published

Galaxy changes classification as jet changes direction      (via sciencedaily.com) 

A team of international astronomers have discovered a galaxy that has changed classification due to unique activity within its core. The galaxy, named PBC J2333.9-2343, was previously classified as a radio galaxy, but the new research has revealed otherwise.

Biology: Cell Biology Biology: Marine Biology: Zoology Ecology: Animals Ecology: Sea Life Environmental: Ecosystems Environmental: Water
Published

Jellyfish size might influence their nutritional value      (via sciencedaily.com) 

Researchers confirmed what was already known: jellyfish eat bigger prey as they grow, which means they also occupy a higher position in the food web as they grow. They also found that some of the concentrations of 'healthy fats,' increase as jellyfish grow. These changes might be influenced by their diet, and as they feed on bigger prey with higher levels of fatty acids, the jellyfish accumulate more of these fatty acids.

Biology: General Biology: Genetics Biology: Marine Biology: Zoology Ecology: Animals Ecology: Endangered Species Ecology: Sea Life
Published

Inbreeding contributes to decline of endangered killer whales      (via sciencedaily.com) 

The small size and isolation of the endangered population of Southern Resident killer whales in the Pacific Northwest have led to high levels of inbreeding. This inbreeding has contributed to their decline, which has continued as surrounding killer whale populations expand, according to new research.

Biology: Marine Biology: Zoology Ecology: Sea Life
Published

Unraveling whale entanglement risk factors off Oregon Coast      (via sciencedaily.com) 

New research is beginning to unravel the times of year and locations where whales are at greatest danger of entanglement in fishing gear on the Oregon Coast.

Biology: Marine Ecology: Nature Ecology: Sea Life Environmental: Ecosystems Environmental: General Geoscience: Environmental Issues Geoscience: Geography Geoscience: Oceanography
Published

New study provides first comprehensive look at oxygen loss on coral reefs      (via sciencedaily.com) 

A new study is providing an unprecedented examination of oxygen loss on coral reefs around the globe under ocean warming. The study captures the current state of hypoxia -- or low oxygen levels -- at 32 different sites, and reveals that hypoxia is already pervasive on many reefs.

Biology: Evolutionary Biology: Marine Biology: Zoology Ecology: General Ecology: Nature Ecology: Research Ecology: Sea Life Environmental: Biodiversity Environmental: Ecosystems Geoscience: Environmental Issues
Published

How fishermen benefit from reversing evolution of cod      (via sciencedaily.com) 

Intense fishing and over-exploitation have led to evolutionary changes in fish stocks like cod, reducing both their productivity and value on the market. These changes can be reversed by more sustainable and far-sighted fisheries management. A new study shows that reversal of evolutionary change would only slightly reduce the profit of fishing, but would help regain and conserve natural genetic diversity.

Offbeat: General Offbeat: Space Space: Astronomy Space: Astrophysics Space: Exploration Space: General Space: Structures and Features
Published

'Terminator zones' on distant planets could harbor life      (via sciencedaily.com) 

In a new study, astronomers describe how extraterrestrial life has the potential to exist on distant exoplanets inside a special area called the 'terminator zone,' which is a ring on planets that have one side that always faces its star and one side that is always dark.

Offbeat: General Offbeat: Space Space: Astronomy Space: Exploration Space: General Space: The Solar System
Published

Evidence that Venus is volcanically active      (via sciencedaily.com) 

Venus appears to have volcanic activity, according to a new research paper that offers strong evidence to answer the lingering question about whether Earth's sister planet currently has eruptions and lava flows.

Biology: Marine Biology: Microbiology Biology: Zoology Ecology: Animals Ecology: Sea Life
Published

Bird flu associated with hundreds of seal deaths in New England in 2022      (via sciencedaily.com) 

Researchers have found that an outbreak of highly pathogenic avian influenza (HPAI) was associated with the deaths of more than 330 New England harbor and gray seals along the North Atlantic coast in June and July 2022, and the outbreak was connected to a wave of avian influenza in birds in the region.

Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: General
Published

Extensive catalog of exploding stars      (via sciencedaily.com) 

The largest data release of relatively nearby supernovae (colossal explosions of stars), containing three years of data is publicly available via the Young Supernova Experiment (YSE).

Space: Astronomy Space: Astrophysics Space: Cosmology Space: Exploration Space: General Space: Structures and Features
Published

Webb Telescope captures rarely seen prelude to supernova      (via sciencedaily.com) 

The rare sight of a Wolf-Rayet star -- among the most luminous, most massive, and most briefly detectable stars known -- was one of the first observations made by NASA's James Webb Space Telescope in June 2022. Webb shows the star, WR 124, in unprecedented detail with its powerful infrared instruments. The star is 15,000 light-years away in the constellation Sagittarius.

Biology: Marine Ecology: Animals Ecology: Nature Ecology: Sea Life Environmental: Ecosystems Environmental: Water Geoscience: Geography Geoscience: Oceanography
Published

Minke whales are as small as a lunge-feeding baleen whale can be      (via sciencedaily.com) 

A new study of Antarctic minke whales reveals a minimum size limit for whales employing the highly efficient 'lunge-feeding' strategy that enabled the blue whale to become the largest animal on Earth.

Biology: Marine Chemistry: General Ecology: Nature Ecology: Sea Life Environmental: Biodiversity Environmental: Ecosystems Environmental: General Environmental: Water Geoscience: Earth Science Geoscience: Environmental Issues Geoscience: Geochemistry Geoscience: Geography Geoscience: Oceanography
Published

Assessing the potential risks of ocean-based climate intervention technologies on deep-sea ecosystems      (via sciencedaily.com) 

An international team of experts convened remotely as part of the Deep Ocean Stewardship Initiative's Climate Working Group to consider the deep-sea impacts of ocean-based climate intervention (OBCI). A research team has analyzed the proposed approaches to assess their potential impacts on deep-sea ecosystems and biodiversity. Their findings raise substantial concern on the potential impacts of these technologies on deep-sea ecosystems and call for the need for an integrated research effort to carefully assess the cost and benefits of each intervention.

Biology: Marine Biology: Zoology Ecology: General Ecology: Nature Ecology: Research Ecology: Sea Life Environmental: Ecosystems Environmental: General Geoscience: Environmental Issues
Published

Sea temperatures control the distributions of European marine fish      (via sciencedaily.com) 

An analysis extending from southern Portugal to northern Norway highlights the importance of temperature in determining where fish species are found.

Biology: Marine Ecology: Sea Life Environmental: Water Geoscience: Environmental Issues Geoscience: Geography Geoscience: Oceanography
Published

Unprecedented increase in ocean plastic since 2005 revealed by four decades of global analysis      (via sciencedaily.com) 

A global dataset of ocean plastic pollution between 1979 and 2019 reveals a rapid and unprecedented increase in ocean plastics since 2005, according to a new study.

Biology: Marine Ecology: Extinction Ecology: Nature Ecology: Sea Life Paleontology: Climate
Published

Major North American oil source yields clues to one of earth's deadliest mass extinctions      (via sciencedaily.com) 

Geologists studying the Bakken Shale Formation discovered a critical kill mechanism behind a series of extinctions some 350 million years ago.

Offbeat: Space Space: Astronomy Space: Astrophysics Space: General Space: Structures and Features Space: The Solar System
Published

ALMA traces history of water in planet formation back to the interstellar medium      (via sciencedaily.com) 

Observations of water in the disk forming around protostar V883 Ori have unlocked clues about the formation of comets and planetesimals in our own solar system.