A team of astronomers at Ohio State University used NASA's Transiting Exoplanet Survey Satellite to observe a Type Ia supernova, the first of its kind to measure hydrogen in its spectra. The discovery challenges traditional theories on why white dwarf stars explode and could provide new insights into the elements left behind.
Researchers at Pitt/UPMC are testing a technique called red cell exchange transfusion to prolong life and slow organ damage in sickle cell disease patients. The SCD-CARRE trial aims to determine whether red cell exchange can lower deaths and reduce hospitalizations.
Researchers discover that some red giants contain less iron and more elements like magnesium and calcium, suggesting an ancient age. The study reveals that these stars may have merged with others during their transformation into red giants, explaining the apparent paradox.
Dwarf mongoose group members behave more co-operatively when faced with potential violence from rival factions, according to a new study published in Behavioral Ecology. The threat of conflict leads to increases in within-group behaviors, including greater grooming and sentinel duty.
Researchers developed an algorithm using over 30 years of satellite data to isolate extreme warming events leading to documented coral bleaching in the Red Sea. The findings suggest that coral bleaching may have been greatly underestimated and indicate a emerging pattern of extreme warming events in the northern region.
A study by RIT scientist Sukanya Chakrabarti found that the Antlia 2 dwarf galaxy's collision with the Milky Way produced the characteristic ripples in its outer disc. The discovery could help develop methods to hunt for dark galaxies and solve the long-standing puzzle of dark matter.
A large US study found that increasing red meat intake is associated with a 10% higher risk of death. Swapping red meat for healthier options like fish, eggs, and whole grains may lower the risk of death, particularly cardiovascular disease and certain types of cancer.
A new study published in BMJ found that people who increased their daily servings of red meat over an eight-year period were more likely to die during the subsequent eight years. The study also discovered that decreasing red meat and simultaneously increasing healthy alternative food choices led to lower mortality rates.
Researchers used reverberation mapping to determine the mass of NGC 4395's black hole, finding it to be about 10,000 times the mass of our sun. This is the smallest black hole found via this technique and provides new insights into dwarf galaxies and their nuclear black holes.
Researchers reconstructed the red swamp crayfish invasion routes using mitochondrial gene analysis, revealing diverse introduction scenarios in North America and Europe. Genetic data suggest additional unrecorded introductions may have occurred from the US or other invaded territories.
Research from Göttingen reveals that wild red deer grazing in open landscapes can contribute to the conservation of protected habitats. The proportion of plant growth eaten by wild red deer is comparable to extensive grazing by farm livestock.
Astronomers detect unusual chemical signature in ASASSN-18tb supernova, potentially resolving longstanding mystery surrounding their origins. The discovery offers new insights into the mechanism and players involved in creating Type Ia supernovae.
Researchers investigate Haumea's ring, suggesting a degree of eccentricity is required for resonance to act on particles. They identify stable, circular orbits compatible with the ring, contradicting previous assumptions.
Researchers at KAUST found that eddy-induced transport is more active in the central and northern Red Sea, influencing surface heat flux and salt dispersion. This mechanism balances fluctuations in both heat and salt, highlighting its role in the Red Sea's circulation.
Researchers found a star in the Milky Way Galaxy with low magnesium levels and high Europium levels, indicating it formed elsewhere, likely in a now vanished dwarf galaxy. The discovery suggests galaxy evolution models are supported by the presence of similar chemical signatures in other stars from dwarf galaxies orbiting the Milky Way.
A team of scientists discovered a star with unusually low magnesium and excessive heavy elements, indicating it originated from a disrupted dwarf galaxy. The study provides insight into the chemical evolution of dwarf galaxies and their role in shaping the Milky Way.
A team of researchers discovered a grain of dust forged in a stellar explosion, challenging current theories about how stars seed the universe. The grain, LAP-149, is highly enriched in carbon-13, providing evidence that novae contributed to the building blocks of our solar system.
Chemists at the University of Innsbruck have created a novel red phosphor called SALON, which emits light in the visible red range and reduces energy loss. This breakthrough could lead to more efficient white LEDs with improved color quality.
A meta-analysis of randomized controlled trials found that diets with high-quality protein sources from plants like legumes and nuts lower cholesterol levels and blood pressure compared to those with red meat. This study provides evidence for the benefits of plant-based diets in reducing cardiovascular disease risk factors.
A new study reveals the first intact planetary body orbiting a white dwarf star, with a densely packed planetesimal no larger than 600 kilometers in diameter. The object's high density suggests it may be the remnant core of a planet stripped away by tidal forces.
Astronomers from the University of Warwick detected a heavy metal planet fragment orbiting a white dwarf, which is the remains of a dead star. The fragment, rich in iron and nickel, has survived a system-wide cataclysm that followed the death of its host star.
Scientists have created nanocubes that can form stable cubes at specific temperatures, then scramble back into individual components when heated or cooled. This self-assembly ability mimics life's chemical processes, enabling the creation of complex systems.
A new study found that consuming even small amounts of red meat may increase the risk of death from all causes, especially cardiovascular disease. The research, part of the Adventist Health Study-2, analyzed over 7,900 individuals and found a significant association between low intake of red and processed meats and higher risks of tota...
The starry dwarf frog is the sole member of an ancient lineage classified as Astrobatrachinae. Its unique constellation-like markings and bright orange underbelly make it a fascinating discovery, providing insights into its deep evolutionary history.
Researchers propose dark matter scatters with each other like billiard balls to spread out evenly in small galaxies. This idea could solve the puzzle of why dark matter doesn't clump together as expected in bigger systems.
A recent study published in Obesity found that consuming red raspberries can lower blood glucose levels and improve insulin responses in individuals at risk for diabetes. The researchers concluded that incorporating certain fruits like red raspberries into meals can have beneficial effects on glucose control.
A study by KU Leuven reveals that red giants lose less mass than previously thought, as their stellar winds are affected by an overlooked partner star. This discovery challenges the long-held assumption of high mass loss rates for these stars.
The Habitable Zone Planet Finder enables precise measurement of a star's radial velocity, allowing detection of planets capable of having liquid water on their surfaces. The instrument uses near-infrared light to observe low-mass planets around cool nearby M dwarf stars in Habitable Zones.
A volunteer astronomer found an ancient white dwarf star, LSPM J0207, ringed by dust and debris. The discovery challenges current models of planetary systems and may provide insights into the distant future of our solar system.
A volunteer astronomer has found an ancient white dwarf star with multiple dust rings, forcing researchers to reconsider planetary system models. The discovery challenges current understanding of how planetary systems evolve and could provide insights into the distant future of our solar system.
Astronomers have discovered evidence of a gigantic remnant surrounding an exploding star, indicating that it erupts regularly on a massive scale for millions of years. The team found a super-remnant measuring almost 400 light years across, which is unusually large compared to other known nova systems.
A new systematic approach to assess animal extinction risk has found that 20% of previously unassessable species are likely threatened. The method, designed by Luca Santini and colleagues, is more efficient than traditional methods and provides an early warning system for species at risk.
Researchers discover coralline red algae fossils dating back 430 million years, challenging current classification. This finding sheds new light on the development of these algae, which play a crucial role in ocean ecosystems.
Researchers found that infected red blood cells from cerebral malaria patients bind more strongly to brain-derived cells than those from uncomplicated malaria patients. This suggests that specific PfEMP1 proteins on the infected red blood cells allow for efficient binding to brain vessels, a key feature of cerebral malaria.
Astronomers have found the first evidence of a 'super-remnant' formed from repeated star explosions in the Andromeda Galaxy. The remnant measures almost 400 light years across and is associated with the most frequent nova explosions known, occurring once a year.
Astronomers have found the first direct evidence of white dwarf stars solidifying into crystals, which could make them billions of years older than previously thought. This discovery has been published in Nature and is based on observations taken with the European Space Agency's Gaia satellite.
Scientists have discovered that dark matter can be heated up and pushed outwards due to star formation in galaxies. This phenomenon, known as 'dark matter heating', has been observed in 16 dwarf galaxies with varying star formation histories.
A team of biologists has discovered red wolf DNA in a group of canines living on Galveston Island, Texas, raising hopes for the species' survival. The finding, which may represent lost genes from captive breeding, challenges conventional science's dismissal of 'red wolves' as coyotes.
Scientists have discovered red wolf genes in canids on Galveston Island, providing a potential reservoir for bolstering the North Carolina population. This finding is significant as it suggests that genetics from endangered species can be conserved through hybridization.
Researchers found that people who eat a diet rich in red meat have triple the TMAO levels of those who eat a diet rich in either white meat or mostly plant-based proteins. However, discontinuation of red meat eventually lowers these TMAO levels, suggesting a promising new strategy for individualizing diets and preventing heart disease.
A study of 350,000 people has identified eight genetic differences associated with red hair, revealing new insights into its inheritance. The research also uncovered over 200 genetic variations linked to blonde and brunette traits, including those related to hair texture and growth patterns.
Astronomers have found a candidate planet, named Barnard's star b, orbiting the red dwarf star every 233 days. The cold super-Earth is estimated to be around 3.2 times the size of Earth and has a temperature of -150°C.
Astronomers have discovered a planet, known as Barnard's star b, which orbits around its host star every 233 days. The 'super-Earth' is estimated to be a frozen world with surface temperatures of -170 degrees Celsius, but could potentially become more hospitable if it has a substantial atmosphere.
Researchers at Yale University have identified a new fluorescent protein, VARNAM, that allows for live neurons to glow red when activated, making it possible to monitor brain activity in a less invasive way. This breakthrough enables scientists to capture complex brain activity spikes in multiple systems.
Researchers have found an extremely hot magnetosphere around a white dwarf, a remnant of a star like our Sun. This discovery sheds light on the origin of highly ionised metals in some white dwarfs, which were previously a puzzle. The study reveals that the magnetic field traps material flowing from the surface, heating it up dramatically.
Researchers observed a powerful outflow of hydrogen gas from the Small Magellanic Cloud, a tiny dwarf galaxy. The discovery provides the first clear observational measurement of mass lost from a dwarf galaxy, shedding light on its slow death and potential impact on the surrounding Milky Way galaxy.
The Laser Interferometer Space Antenna (LISA) will enable astrophysicists to study gravitational waves emitted by black holes, which could unveil secrets about dark matter. Simulations suggest a connection between black hole merger rates and dark matter properties.
An international team of astrophysicists has identified the first-ever merger of white and brown dwarf stars, with the debris left behind exhibiting unusual chemical compositions and organic molecules. The discovery sheds new light on the origin of a mysterious star observed by French monk Père Dom Anthelme in 1670.
Researchers confirm collision of white dwarf and brown dwarf stars using ALMA observations. The debris from the explosion reveals the presence of lithium and unusual element isotopes.
The study confirms the evolution of transits produced by a planetesimal orbiting the white dwarf WD 1145+017. The system shows periodic transits blocking light from the star, with continuous interaction and fragmentation resulting in changes in transit depth and shape.
Researchers discovered a mechanism that determines whether immature blood cells differentiate into red or subtypes of white blood cells. The study found that repression of Bach factors contributes to the development of anemia of infection/inflammation, highlighting potential therapeutic targets for treating bone marrow and blood disord...
A new study on Ceres reveals that the dwarf planet's ice volcanoes generate an average of more than 13,000 cubic yards of cryovolcanic material each year. This amount is equivalent to filling a movie theater or four Olympic-sized swimming pools.
Researchers found that dwarf-galaxy mergers can replenish a galaxy's supply of star-making fuel, like the Milky Way's. The Large and Small Magellanic Clouds hold enough gas to replenish half of the Milky Way's supply, with their gas footprint continuing to expand even after collision.
A new study from RIT reveals that galaxy outskirts are likely hunting grounds for dying massive stars and black holes. Researchers have identified a method to pinpoint the location of massive black holes using supernovae with collapsing cores, offering a promising approach to detecting gravitational waves.
Researchers have determined the detailed chemical abundances of Ross 128, a red dwarf star that hosts an exoplanet similar to our Solar System's Jupiter. This helps estimate the makeup of Ross 128 b, indicating it should be rocky with a temperate climate.
The Gaia Sausage refers to an ancient head-on collision between the Milky Way and a smaller dwarf galaxy, dubbed the Sausage galaxy. The impact, which occurred around 8-10 billion years ago, reshaped the galaxy's structure, forming its inner bulge and outer halo.
Researchers have developed a new IR instrument to search for potentially habitable planets around small red dwarf stars. The instrument, IRD, uses advanced technology to measure the line-of-sight movement of stars and detect planets with high accuracy.
Researchers use computer simulations to test dark matter's presence in satellite galaxies, finding a relationship that could clarify its existence. The study uses radial acceleration relation data from the Gaia spacecraft to make predictions about the behavior of dwarf galaxies.
Researchers found that up to 40-50% of the spectral signal on Ceres could be explained by organics, a much higher concentration than previously reported. The findings raise questions about the source of the material, with two competing possibilities: internal production or delivery by an impact from an organic-rich comet or asteroid.
A study published by Purdue University found that adopting a Mediterranean-style eating pattern improves heart health, even if the red meat consumed is lean and unprocessed. The study compared two groups: one consuming 3 ounces of lean red meat per day and another consuming it only twice a week.