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Categories: Ecology: Sea Life, Space: Exploration

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

NASA's Fermi finds new feature in brightest gamma-ray burst yet seen      (via sciencedaily.com)     Original source 

In October 2022, astronomers were stunned by what was quickly dubbed the BOAT -- the brightest-of-all-time gamma-ray burst (GRB). Now an international science team reports that data from NASA's Fermi Gamma-ray Space Telescope reveals a feature never seen before.

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

Space-trekking muscle tests drugs for microgravity-induced muscle impairment      (via sciencedaily.com)     Original source 

A gentle rumble ran under a researcher's feet as a rocket carrying her research -- live, human muscle cells grown on scaffolds fixed on tiny chips -- lifted off, climbed, and disappeared into the sky to the International Space Station National Laboratory. These chips would help her better understand muscle impairment, often seen in astronauts and older adults, and test drugs to counter the condition.

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

Dark matter flies ahead of normal matter in mega galaxy cluster collision      (via sciencedaily.com)     Original source 

Astronomers have untangled a messy collision between two massive clusters of galaxies in which the clusters' vast clouds of dark matter have decoupled from the so-called normal matter.

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

Images of nearest 'super-Jupiter' open a new window to exoplanet research      (via sciencedaily.com)     Original source 

Using the James Webb Space Telescope (JWST), astronomers imaged a new exoplanet that orbits a star in the nearby triple system Epsilon Indi. The planet is a cold super-Jupiter exhibiting a temperature of around 0 degrees Celsius and a wide orbit comparable to that of Neptune around the Sun. This measurement was only possible thanks to JWST's unprecedented imaging capabilities in the thermal infrared. It exemplifies the potential of finding many more such planets similar to Jupiter in mass, temperature, and orbit. Studying them will improve our knowledge of how gas giants form and evolve in time.

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

Expiring medications could pose challenge on long space missions      (via sciencedaily.com)     Original source 

A new study shows that over half of the medicines stocked in space -- staples such as pain relievers, antibiotics, allergy medicines, and sleep aids -- would expire before astronauts could return to Earth.

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

Life signs could survive near surfaces of Enceladus and Europa      (via sciencedaily.com)     Original source 

Europa and Enceladus, icy moons of Jupiter and Saturn respectively, have evidence of oceans beneath their crusts. A NASA experiment suggests -- if these oceans support life -- signatures of that life in the form of organic molecules (like amino acids and nucleic acids) could survive just under the surface ice despite the harsh, ionizing radiation on these worlds. If robotic landers were to go to these moons to look for life signs, they would not have to dig very deep to find amino acids that have survived being altered or destroyed by radiation.

Biology: Biochemistry Biology: General Biology: Zoology Ecology: Animals Ecology: Nature Ecology: Sea Life Environmental: Water
Published

Fish adjust reproduction in response to predators      (via sciencedaily.com)     Original source 

Some species of fish can evolve their egg-laying habits in response to predators in the area in order to survive, according to new research.

Geoscience: Earth Science Geoscience: Geomagnetic Storms Geoscience: Severe Weather Space: Astronomy Space: Exploration Space: General Space: The Solar System
Published

New dawn for space storm alerts could help shield Earth's tech      (via sciencedaily.com)     Original source 

Space storms could soon be forecasted with greater accuracy than ever before thanks to a big leap forward in our understanding of exactly when a violent solar eruption may hit Earth. Scientists say it is now possible to predict the precise speed a coronal mass ejection (CME) is travelling at and when it will smash into our planet -- even before it has fully erupted from the Sun.

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

Exoplanet-hunting telescope to begin search for another Earth in 2026      (via sciencedaily.com)     Original source 

Europe's next big space mission -- a telescope that will hunt for Earth-like rocky planets outside of our solar system -- is on course to launch at the end of 2026. PLATO, or PLAnetary Transits and Oscillations of stars, is being built to find nearby potentially habitable worlds around Sun-like stars that we can examine in detail.

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

Another intermediate-mass black hole discovered at the center of our galaxy      (via sciencedaily.com)     Original source 

So far, only about ten intermediate-mass black holes have been discovered in the entire universe. The newly identified black hole causes surrounding stars in a cluster to move in an unexpectedly orderly way.

Biology: Biochemistry Biology: General Biology: Marine Biology: Zoology Ecology: Animals Ecology: Endangered Species Ecology: Sea Life Offbeat: General Offbeat: Plants and Animals
Published

The courtship of leopard seals off the coast of South America      (via sciencedaily.com)     Original source 

A pioneering study has unveiled the first paired observations of sexual behavior and vocalizations in wild leopard seals. The study on the mysterious leopard seal represents a major advance in understanding the behavior of one of the most difficult apex predators to study on Earth.

Biology: General Biology: Marine Biology: Zoology Ecology: Animals Ecology: General Ecology: Nature Ecology: Research Ecology: Sea Life Environmental: Biodiversity Environmental: Ecosystems
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The most endangered fish are the least studied      (via sciencedaily.com)     Original source 

The most threatened reef fishes are also the most overlooked by scientists and the general public. Scientists measured the level of human interest in 2,408 species of marine reef fish and found that the attention of the scientific community is attracted by the commercial value more than the ecological value of the fishes. The public, on the other hand, is primarily influenced by the aesthetic characteristics of certain species, such as the red lionfish (Pterois volitans) and the mandarinfish (Synchiropus splendidus).

Biology: Botany Biology: Marine Biology: Microbiology Ecology: General Ecology: Research Ecology: Sea Life Environmental: Ecosystems Geoscience: Geochemistry Geoscience: Geography Geoscience: Oceanography
Published

Reef pest feasts on 'sea sawdust'      (via sciencedaily.com)     Original source 

Researchers have uncovered an under the sea phenomenon where coral-destroying crown-of-thorns starfish larvae have been feasting on blue-green algae bacteria known as 'sea sawdust'.

Space: Exploration Space: General
Published

The magnet trick: New invention makes vibrations disappear      (via sciencedaily.com)     Original source 

Damping vibrations is crucial for precision experiments, for example in astronomy. A new invention uses a special kind of magnets to achieve this -- electropermanent magnets. They consist of a permanent magnet and a coil. In contrast to electromagnets, they do not have to be permanently supplied with energy. In contrast to permanent magnets, their strength can be tuned: Whenever necessary, a strong electric pulse is sent through the coil, adapting the properties of the magnet.

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

How astronomers are using pulsars to observe evidence of dark matter      (via sciencedaily.com)     Original source 

Tantalizing evidence of potential dark matter objects has been detected with the help of the Universe's 'timekeepers'. These pulsars -- neutron stars which rotate and emit lighthouse-like beams of radio waves that rapidly sweep through space -- were used to identify mysterious hidden masses. Pulsars earned their nickname because they send out electromagnetic radiation at very regular intervals, ranging from milliseconds to seconds, making them extremely accurate timekeepers.

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

Sun-like stars found orbiting hidden companions      (via sciencedaily.com)     Original source 

Astronomers have uncovered what appear to be 21 neutron stars in orbit around stars like our Sun. The discovery is surprising because it is not clear how a star that exploded winds up next to a star like our Sun.

Biology: General Offbeat: General Offbeat: Plants and Animals Offbeat: Space Space: Exploration Space: General
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Food aroma study may help explain why meals taste bad in space      (via sciencedaily.com)     Original source 

A new study on common food aromas may help explain why astronauts report that meals taste bland in space and struggle to eat their normal nutritional intake. This research has broader implications for improving the diets of isolated people, including nursing home residents, by personalizing aromas to enhance the flavor of their food.

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

New analysis of Cassini data yields insights into Titan's seas      (via sciencedaily.com)     Original source 

A new study of radar experiment data from the Cassini-Huygens mission to Saturn has yielded fresh insights related to the makeup and activity of the liquid hydrocarbon seas near the north pole of Titan, the largest of Saturn's 146 known moons.

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

Bizarre 'garden sprinkler-like' jet is spotted shooting out of neutron star      (via sciencedaily.com)     Original source 

A strange 'garden sprinkler-like' jet coming from a neutron star has been pictured for the first time. The S-shaped structure is created as the jet changes direction due to the wobbling of the disc of hot gas around the star -- a process called precession, which has been observed with black holes but, until now, never with neutron stars.