Astronomers have discovered a small brown dwarf star orbiting a Sun-like star with a planet, revealing a new class of coldest brown dwarfs called T dwarfs. The team also found another smaller brown dwarf in the same system, which may be the youngest known T dwarf, providing a snapshot of early brown-dwarf development.
The International Astronomical Union has named the newly discovered dwarf planet Eris and its moon Dysnomia. The name Eris was proposed by Michael Brown and accepted unanimously by the Working Group for Planetary System Nomenclature and the Committee for Small Body Nomenclature.
The Pall eBDS System is a highly sensitive culture-based test that detects bacterial contamination of red blood cells, reducing the risk of sepsis and death from transfusion. The system's novel approach to detection measures oxygen consumption as a marker for bacteria, allowing for effective detection of commonly found contaminants.
The IAU defined a planet as a celestial body in orbit around the Sun with sufficient mass to assume hydrostatic equilibrium. The new definition includes our solar system's eight recognized planets and a distinct class of dwarf planets, including Pluto.
New research reveals squirrel poxvirus is wiping out red squirrels in northern England at a rate 17-25 times higher than areas unaffected by the virus. Targeted grey squirrel control at narrow entry points is recommended to save the species.
The Lancet has teamed up with PRODUCT RED to produce a (RED) issue devoted to HIV/AIDS, contributing $30,000 to the cause. The initiative aims to convince companies to develop RED products and donate profits to the Global Fund.
Astronomers discovered a brown dwarf in close orbit around a white dwarf, with a separation of less than 2/3 of the Sun's radius. The system formed after the red giant engulfed its companion and ejected its envelope, leaving behind a binary system.
Scientists believe that high runoff from hurricanes in 2004 contributed to the development of extensive and long-lasting red tides off west-central Florida. Groundwater discharge is thought to provide the necessary nutrients for these blooms, explaining their persistence and frequent occurrence in the region.
Astronomers have observed a massive nuclear explosion on the surface of a white dwarf star, sending gas into space and creating a blast wave that accelerates electrons to nearly the speed of light. The European VLBI Network tracked the outburst using telescopes around the world, revealing a cigar-like shape in the blast wave.
Astronomers propose that super-Earths can form around red dwarf stars via ultraviolet stripping, a process previously thought to only create gas giant planets. The new theory suggests that the mass of the central star determines whether a planet forms as a gas giant or a super-Earth.
In Lake Victoria cichlid fish, females choose brightly coloured males for good reasons: fewer parasites and better health. The colour preference leads to speciation as only the brightest red and blue fish survive, eventually forming two separate species.
Researchers have developed a computer model to help conserve the Mount Graham Red Squirrel, which is isolated in a small area of Arizona desert. The model will identify areas where conservation efforts can be focused to address threats such as grey squirrels and habitat damage.
Red Storm excelled in the High Performance Computing Challenge test suite, demonstrating exceptional communication bandwidth and floating-point computation capabilities. The supercomputer achieved 40 times more communications power per teraflop than IBM's Blue Gene system, marking a significant milestone in its architecture.
Scientists from Université Laval found that red wine polyphenols significantly modulate inflammatory components released by macrophages in response to bacterial stimuli. These anti-oxidant properties could be useful in preventing and treating inflammatory periodontal diseases as well as other disorders involving free radicals.
The red knot's dependence on horseshoe crab eggs for survival is a major concern for wildlife management officials. Researchers have found that the number of horseshoe crab eggs is the most important factor determining the use of beaches by red knots.
Astronomers discover an Earth-like planet with a solid core, orbiting a red dwarf star five times less massive than the sun. The discovery, made using microlensing technique, reveals thousands of potentially habitable planets in distant parts of the galaxy.
Researchers searched for dwarf galaxies in nearby galaxy cloud using Two Micron All Sky Survey and Very Large Telescope. However, no stars were detected, suggesting alternative explanations for the missing galaxies.
Researchers found that red-headed Gouldian finches are more aggressive and dominant than black-headed and yellow-headed peers. The study suggests that the birds' bright red head color serves as a signal of dominance, allowing them to out-compete others for limited resources.
Researchers isolated Sirius B's light using Hubble Space Telescope, measuring its mass based on gravitational redshift. The result indicates Sirius B has a diameter less than Earth's but is denser and has a surface temperature of 25,000 degrees C.
Cornell researchers study NGC 5291 system to understand tidal dwarf galaxies' properties. They find strong organic compound emission and warm molecular hydrogen in tidal dwarfs.
A new study found that red blood cells filtered through the Pall Leukotrap Affinity Prion Reduction Filter System retain their therapeutic value and quality after 42 days of storage, exceeding FDA requirements. The filter demonstrated a 99.9% reduction of prions, including sporadic CJD, scrapie, and mouse-adapted human vCJD.
During lowest-rated games, emergency room visits were 15% above normal volume due to fans showing up in the emergency department. However, after the Red Sox won a game, visits dipped by 5-15%. The study found an inverse relationship between Red Sox viewership and ER visits.
The study reveals the malaria parasite's release mechanism from infected red blood cells, contradicting previous theories. The findings provide new insights into the disease and its potential targets for treatment.
Astronomers observed a binary star system called RX J0806.3+1527, where the white dwarf pair has an estimated mass of one-half the sun and orbits at a rate consistent with gravitational wave predictions. The system is believed to be among the brightest sources of gravitational waves in the galaxy.
The Chandra X-ray Observatory has observed an X-ray outburst from the highly evolved red giant star Mira A, revealing a bridge of hot matter streaming between it and its companion white dwarf. The detection provides insights into interactions between binary systems, including those with a collapsed star.
Researchers discovered two most chemically primitive stars, HE0107-5240 and HE1327-2326, offering insights into the universe's early stages. These unevolved dwarf stars have iron contents significantly lower than previously known stars, providing a glimpse into the elements produced during supernova explosions.
Researchers found that strong stellar winds around young red dwarfs may be responsible for removing dust and debris disks. The discovery provides a potential explanation for the rare occurrence of debris disks among red dwarfs, but further observations are needed to confirm this hypothesis.
Researchers have discovered two candidate planets orbiting white dwarfs, which are the remnants of dead stars. The team used a combination of telescopes to detect these planets, which could provide clues about the solar system's formation and the presence of life in the galaxy.
Astronomers have discovered a dwarf galaxy surrounded by a gigantic, pristine hydrogen gas disk. The large reservoir of unprocessed matter may hold clues to the early universe's formation.
Astronomers use Hubble's Near Infrared Camera and Multi-Object Spectrometer to observe a faint companion object orbiting a relatively bright young brown dwarf star. The observations provide strong evidence for the existence of an extrasolar planet, which is estimated to be about five times the mass of Jupiter.
Astronomers have discovered a candidate planetary companion to a relatively bright young brown dwarf star located 225 light-years away in the southern constellation Hydra. The object, detected by NASA's Hubble Space Telescope, is estimated to be about five times the mass of Jupiter and orbits its host at a 99% confidence level.
The study reveals that Rb plays a crucial role in regulating cell proliferation and apoptosis, two key processes affected in cancer development. By analyzing mice lacking Rb during embryonic development, researchers found that red blood cells failed to mature, highlighting the importance of Rb in maintaining normal cellular function.
Dwarf mistletoe has an extreme water-pump seed ejection system that fires seeds up to 20 meters. This discovery could aid disease control by targeting the unique characteristics of dwarf mistletoe reproduction.
Researchers discovered two compounds that block red tide toxin effects on respiratory systems, showing promise in treating cystic fibrosis. The compounds improved mucus clearance and may work at concentrations without side effects.
Researchers found that Alpha-4Beta-1 is activated by CD47, causing sickle red blood cells to stick to blood vessel walls. This discovery may lead to new therapies for sickle cell disease and other anemias.
The National Science Foundation has awarded $9.7 million to the Pittsburgh Supercomputing Center to install a Red Storm system from Cray, Inc., capable of approximately 10 teraflops. The system will enable researchers to explore high-performance computing capabilities and demonstrate its potential for various scientific applications.
A collaboration between pharmaceutical manufacturers, healthcare agencies, and researchers led to a significant reduction in epoetin-associated pure red-cell aplasia. The incidence decreased by 83% after improvements were made in storage and handling of the drug.
Men who consumed four or more glasses of red wine per week reduced their risk of prostate cancer by 50 percent, while white wine showed no significant effect. The study suggests resveratrol, an antioxidant in red grapes, may be responsible for this benefit.
A recent study by Thomas Jefferson University researchers found that red wine has a greater effect in lowering levels of anti-inflammatory substances in the blood compared to gin. The study's results suggest that moderate consumption of red wine may offer some protection against heart disease and stroke.
Astrophysicists have found a solution to the long-standing problem of dwarf galaxies in supercomputer simulations, validating the cold dark matter theory. The new simulations suggest that small dwarf galaxies could have been more massive in the past and formed stars before being consumed by larger galaxies.
Cumbria's unique genetic 'unique' red squirrels are dwindling in number due to an American grey squirrel invasion. Conservationists argue that a captive breeding programme should be introduced as additional measure to ensure their survival.
Researchers using European Southern Observatory's Very Large Telescope discovered a unique type Ia supernova that exploded within a flat, dense disk of dust and gas. The findings suggest that this and other precursors resemble protoplanetary nebulae, which may indicate wide differences among their progenitors.
A study suggests that debris from the gobbled-up Sagittarius dwarf galaxy may be 'smoking gun' for detecting dark matter's WIMPs. The combination of WIMPs from the Milky Way and Sagittarius could produce a distinct pattern on the DAMA detector, confirming their existence.
Researchers have developed a novel technique that allows them to visualize three genes at once in embryos, body tissues, or even single cells. This improved FISH method combines existing technologies to illuminate gene activity, enabling scientists to study embryonic development and birth defects in greater detail.
Astronomers have discovered the nearest and youngest star with a visible disk of dust that may be a nursery for planets. The dim red dwarf star AU Mic is about half the mass of the sun but only 12 million years old, and its dusty debris disk stretches around 210 astronomical units from the central star.
Recent discoveries, including a photo and skin samples, have reignited hopes of finding the Miss Waldron's red colobus monkey in its remote southeastern corner of Ivory Coast. The discovery has sparked concerns about potential extinctions of other high-canopy forest-dwelling animals.
Researchers from Oregon State University and Lawrence Livermore National Laboratory found red sea urchins can live for over 200 years, defying previous seven-15 year lifespan estimates. The study used two techniques to determine ages, producing consistent results that show no signs of senescence until death.
A team of Purdue University researchers has identified the genetic mechanism responsible for dwarfed appearance in corn and sorghum plants. This finding may help develop dwarf forms in other crops, improving food production in certain regions. The study also reveals a genetic phenomenon involving direct duplication that causes instabil...
Phytoplankton's shift to red pigments occurred due to a global ocean oxygen depletion, which paved the way for their evolution. This discovery reveals how the ocean's chemistry has been dominated by red phytoplankton ever since.
Scientists at the University of California, Davis have identified saponins in red wine as a potential cholesterol fighter. Saponins are found to contain higher levels in red wine than white wine and may work by binding to and preventing the absorption of cholesterol.
Researchers observed mass-losing stars in cataclysmic variables and found most secondary stars lack carbon and other elements. The unusual abundance patterns suggest stellar material formed through CNO burning, a process thought to occur in high-mass stars.
Scientists discovered a tiny dwarf galaxy in intergalactic space that was previously overlooked. The galaxy is believed to have formed elements through supernova explosions, enriching the gas cloud. This finding suggests that tiny galaxies may have played a significant role in the chemical evolution of the universe.
Researchers successfully integrated genes into hematopoietic stem cells to produce normal red blood cells in mice with beta-thalassemia and sickle cell disease. The technique uses a non-pathogenic AIDS virus gene to ferry DNA into the cells, selectively enriching genetically modified stem cells.
The National Virtual Observatory (NVO) has confirmed the discovery of a new brown dwarf, one of only 200 known to science. This breakthrough came from a computerized search of millions of astronomical objects in two separate databases, showcasing the potential of NVO to uncover new findings quickly.
Research by the USDA Forest Service Southern Research Station sheds light on red-cockaded woodpecker conservation, revealing a preference for older pine trees with resin-rich bark. The study also shows that converting loblolly pine stands to longleaf pines can increase available food for endangered woodpeckers.
A study found that California's marine reserves cannot protect the state's low red abalone population from being overhunted by sea otters. The researchers suggest that single-use reserves focus on either ecosystem restoration or fishery development instead.
A researcher at the University of Toronto has developed a method to automatically remove the unsightly scarlet spots, known as red-eye, from digital images. The software isolates the reddened areas of the eyes and replaces them with natural eye color, providing a convenient solution for consumers.
The Sloan Digital Sky Survey has identified dozens of dim binary star systems throughout the Milky Way, which are older and cooler than previously thought. The study finds that these close-binary systems have a low rate of mass transfer from the red dwarf to the white dwarf, making them less likely targets for many telescopes.
Astronomers have identified a new type of star in a compact binary system, exhibiting properties similar to brown dwarf stars. The discovery sheds light on the formation and evolution of extra-solar planets, which are often found close to their host stars.
New research reveals that red giants still exhibit coronal activity, but it is submerged in the chromosphere, a region around 10,000 F. The team used NASA's Chandra X-Ray Observatory and ultraviolet instruments to detect hot coronal gas through UV emissions.