Two new planetary systems have been discovered, one featuring three Earth-sized planets orbiting a red dwarf star. These planets are thought to be rocky worlds with temperatures tens of degrees higher than Earth due to their close proximity to the star.
New research by the USDA Forest Service suggests that reduced acid rain and warmer temperatures are behind the resurgence of red spruce. The study found that over 75% of red spruce trees exhibited increasing growth since 2001, indicating a positive response to recent climate shifts.
A new study found that red spruce tree growth has increased by over 75% since 2001, with reduced pollution and warmer winter temperatures likely contributing to the resurgence. The research suggests that the Clean Air Act is working to enhance conditions for red spruce, but future changes in climate may impact their recovery.
Scientists have discovered dunes made of solid methane on Pluto, defying expectations due to the dwarf planet's thin atmosphere. The findings were made possible by New Horizons' detailed images and modeling, which suggest that wind can create these unique landforms through a process involving sublimation.
New research by University of Bristol researchers found that dwarf mongooses can quantify earlier acts of cooperation and provide suitable levels of delayed rewards. The study shows that mongooses have sufficient cognitive ability to trade goods and services with their groupmates, with grooming being traded for sentinel behavior.
A team of astronomers has performed one of the highest resolution observations in astronomical history of a pulsar 6,500 light-years away, observing two intense regions of radiation around a rapidly spinning star. The observation could provide clues to the nature of Fast Radio Bursts, which may be amplified by plasma lenses.
A new electrode material for lithium-ion batteries with high capacity has been proposed using phosphorus-encapsulated carbon nanotubes. The electrodes showed an improvement in electrochemical reactivity and reversible charge-discharge reactions, resulting in capacities two times higher than that of graphite used in commercial LIBs.
Researchers at the University of Bristol have developed a method to enhance red blood cell transfusion compatibility using CRISPR-Cas9 gene editing. By altering specific blood group genes, they can prevent immune reactions in patients with rare blood types or those requiring frequent transfusions.
A new study based on the TV series First Dates found that singles wear more black than red on first dates. Black was associated with increased attractiveness and perceived fashion sense, while red was linked to increased sexual receptivity.
A study published in the International Journal of Cancer found that regularly eating red meat increases the risk of distal colon cancer in women, with those on a red meat-free diet experiencing lower rates. The research suggests that a diet free from red meat significantly reduces the risk of this type of colon cancer.
Researchers from the University of Surrey have developed a new method to measure dark matter at the centre of tiny galaxies. The study used dense star clusters orbiting close to the centre of dwarf galaxies to calculate the inner dark matter density, finding less dark matter in some cases than predicted by models.
Researchers found that a protein called myosin IIA contracts to give red blood cells their distinctive dimpled shape, shedding light on sickle cell diseases and other disorders. The discovery could lead to new treatments for conditions where red blood cells are deformed.
Astronomers found intense X-ray radiation from red dwarf stars can strip away a planet's ozone layer, making it uninhabitable. This means that life on land might only survive in the oceans.
A new study suggests that a diet free from red meat significantly reduces the risk of distal colon cancer in women living in the UK. The study analyzed data from over 32,000 women and found that those regularly eating red meat had higher rates of distal colon cancer compared to a red meat-free diet.
Research from the University of Illinois found that wheat middlings and red dog, two co-product feed ingredients for livestock, have different nutrient compositions. Red dog showed higher energy and nutrient digestibility compared to wheat middlings due to its particle size and starch content.
A team of researchers used a state-of-the-art simulation code to study the behavior of red blood cells flowing through physiologically realistic microvascular networks. They observed that red blood cells frequently jam for brief periods before proceeding downstream, causing temporary increases in vascular resistance. The findings have ...
A recent study found that transfusing older stored red blood cells can lead to adverse effects in critically ill patients. Free heme, a breakdown product from degraded red blood cells, is thought to be the key culprit behind this toxicity.
A new international study has found a plane of dwarf galaxies orbiting around Centaurus A, challenging a long-held theory that these galaxies are spread out in all directions. The research reveals that spinning pancake-like systems of satellite galaxies are more common than previously thought.
An international team of astronomers has discovered a galactic arrangement where dwarf satellite galaxies orbit the main body in a narrow disk around Centaurus A. This finding contradicts commonly used cosmological models and simulations.
Researchers found that coyotes preferred natural areas with high proportions of open space, while red foxes selected moderately developed areas. This spatial partitioning may promote coexistence between the two species in urban landscapes. The study's findings have implications for wildlife management in human-dominated environments.
Researchers found supermassive black holes prevent star formation in smaller galaxies by driving powerful winds that heat gas, quenching the process. This discovery sheds light on how dwarf galaxies, composed of up to 100 million stars, evolve and affects our understanding of galaxy evolution.
Brown dwarfs blur the line between stars and planets, making their formation a puzzle. The James Webb Space Telescope will study specific brown dwarfs to gain insight into star formation and exoplanet atmospheres.
Researchers have created an environmentally friendly red light flare using a lithium-based pyrotechnic composition, avoiding hazardous elements like strontium and chlorinated organic materials. The new formulation shows high color quality and purity, and the team plans to further optimize its luminosity.
Researchers at UNIGE detected an exoplanet with a highly inclined orbit around a red dwarf star, evading circular motion and instead following a polar path. This unusual behavior is attributed to the presence of an unknown companion planet that disturbs its path.
The MAVEN mission helps answer the question of how long a rocky planet might be habitable by orbiting a red dwarf star. Based on Mars' atmospheric loss data, researchers estimated that such a planet's atmosphere could lose charged particles and neutral particles at significantly higher rates.
A new study has identified potassium as the critical component of circadian rhythms in red blood cells. Researchers found that varying potassium levels affected the cell's rhythmic activity, with higher levels impeding the rhythm and lower levels extending its duration.
Researchers have discovered two super-Earths around the red dwarf star K2-18, one of which could be a scaled-up version of our own planet. The newly found planet, K2-18c, is likely too hot to support life, but its companion, K2-18b, has potential for liquid surface water and might harbor conditions suitable for life.
Researchers found that new immigrants initially provide little information to help the group but become fully integrated and valued members within five months. They suggest that an integration period is necessary before the benefits of an increased group size can be realized.
Astronomers used Hubble and Gaia data to directly measure the 3D motions of stars in the Sculptor Dwarf Galaxy, achieving accuracy better than previous measurements. The results provide insights into dark matter distribution and test the cosmological model.
A new analysis of Pluto's hydrocarbon haze reveals a novel cooling mechanism controlling the dwarf planet's frigid atmosphere. The study proposes that haze particles absorb heat and emit infrared radiation, resulting in an atmospheric temperature of about 70 Kelvin.
Scientists have observed a contracting white dwarf for the first time, providing insights into young stars' evolution. The discovery suggests that young white dwarfs contract as they age, challenging current understanding of their behavior.
A team of Brazilian astronomers observed a unique binary system consisting of a low-mass white dwarf and a brown dwarf. The white dwarf's existence was cut off due to the loss of matter caused by the companion, resulting in its premature death and transformation into a white dwarf.
Analyses of satellite sensing data show Red Sea's maximum surface temperatures increasing at a rate of 0.17°C per decade, four times faster than the global ocean warming rate. This rapid warming poses a threat to marine biodiversity in the region.
A new deep learning approach has been developed to classify the shapes of red blood cells in a patient's blood, which could help monitor people with sickle cell disease. The system successfully classified red blood cell shape for both oxygenated and deoxygenated cells.
A study published in JAMA found that receiving a red blood cell transfusion from an ever-pregnant female donor was associated with an increased risk of death among male recipients compared to male donors. In contrast, mortality rates were similar for female recipients of transfusions from pregnant or non-pregnant female donors.
Astronomers have discovered the most luminous nova ever seen in a nearby galaxy, using data from the Swift satellite observatory. The study provides insights into white dwarf eruptions, including the possibility of a supernova explosion in the future.
University of Wisconsin-Madison researchers have discovered an ancient loosening of a biochemical pathway that led to the evolution of characteristic red pigment in beets. The discovery sheds new light on how plants can produce various compounds and has implications for beet breeding programs.
A team of researchers found evidence that a Type Ia supernova explosion was triggered by a violent helium detonation on the surface of a white dwarf star. The study used the Hyper Suprime-Cam camera on the Subaru Telescope to discover and analyze a recent supernova, providing the first solid evidence supporting this theory.
A team of researchers has discovered a type Ia supernova that can be explained by the ignition of helium on a white dwarf's surface, marking a significant breakthrough in understanding this phenomenon. The team used Hyper Suprime-Cam mounted on the Subaru Telescope to detect over 100 supernovae candidates in one night.
Researchers used satellite imagery and simulations to explore the role of currents in the Red Sea biosphere, finding significant variability in eddies that facilitate transport and dispersal. The study's findings suggest water circulation patterns play a significant role in determining the distribution of Red Sea clownfish populations.
A landmark trial found that older stored red blood cells are safe and associated with fewer side effects, including transfusion reactions. The study, published in the New England Journal of Medicine, challenged common practice of allocating the oldest available compatible blood.
A newly discovered dwarf galaxy in the constellation Lynx has extremely low oxygen levels, likely resembling early nascent galaxies. The finding suggests that these tiny star-forming galaxies can offer valuable insights into how the first galaxies formed 13 billion years ago.
Researchers at the University of Notre Dame have discovered that the unique binary star system AR Scorpii exhibits variability on a timescale of decades, contrary to initial expectations. The study found that the system's brightness more than doubled in minutes and hours, but also showed long-term changes over decades.
Scientists have discovered the key trigger molecule that helps mature red blood cells. By removing a hydrophobic molecule from serum using charcoal filters, researchers found that adding back just thyroid hormone triggers red blood cell maturation.
A Singapore-based health study found that consuming red meat and poultry increases the risk of developing diabetes. The study suggests replacing these meats with fish, tofu, or legumes may help reduce the risk.
A team of researchers has recovered the location of a nova that was first spotted by Korean astrologers in 1437, providing evidence for a long-term life cycle with multiple stages. The study supports the idea that novae undergo smaller-scale eruptions after fading to obscurity for thousands of years.
Studies on red raspberries found that consuming the fruit may improve glucose control and reduce hunger. Researchers also discovered that red raspberry consumption can alter gut microbiota and show promise in reducing inflammation and obesity risk.
Researchers have discovered two detached, eclipsing double white dwarf binaries with orbital periods under an hour, producing significant gravitational waves. One binary is believed to be a new verification source for the Laser Interferometer Space Antenna, a gravitational wave satellite.
Researchers at the University of Texas at Arlington predicted an additional Earth-like planet in the Gliese 832 system, with stable orbital configuration and mass range of 1-15 Earth masses. The team analyzed simulated data using injected Earth-mass planet to find a habitable zone for potential new world.
Astronomers have discovered a white dwarf with low mass, high velocity and strange composition that may be the remnants of a Type Iax supernova. The calculated age of the explosion suggests it occurred between five and 50 million years ago.
A team of UCSB astrophysicists observed a supernova colliding with a nearby companion star, revealing surprising information about the mysterious star. The study demonstrates that the supernova collided with a non-white dwarf companion, implying the white dwarf was stealing matter from a larger companion to explode.
A team of Polish astronomers identified a new class of variable dwarf stars with shorter oscillation periods and higher surface temperatures than known classes. The newly discovered BLAPs are hotter and more compact than previously thought, posing an enigma in the field of astronomy.
A NASA-funded citizen science project has discovered a new brown dwarf, a major milestone in the search for a distant planet. The object, WISEA J110125.95+540052.8, was identified by amateur astronomer Rosa Castro and her fellow volunteers through the Backyard Worlds: Planet 9 project.
The sequencing of Porphyra's genome revealed minimal structural elements in its cellular cytoskeletons, allowing it to thrive in extreme environments. The analysis also uncovered genes for UV protection and compounds that enable the organism to withstand desiccation.
A Danish study found that fermented red clover extract effectively prevents hot flushes, hormonal swings, and bone loss in women with menopause. The extract increases the bioavailability of isoflavones, making them easier to digest, and shows promising results without side effects.
A standardized discharge planning program called Project ReEngineered Discharge (RED) improves patient experience by providing a clear plan for self-care at home. The study found patients who received the RED intervention were more likely to feel comfortable caring for themselves, with higher satisfaction rates.
Astronomers found that the fastest-moving stars in the Milky Way originated in the Large Magellanic Cloud, a dwarf galaxy in orbit around our own. Computer simulations and data analysis showed that these stars were ejected from their original home at incredible speeds.
Researchers have found that wheat middlings and red dog, two coproducts of the wheat milling process, have varying levels of protein digestibility when fed to pigs. The study suggests that red dog contains more easily digested amino acids due to its lower fiber content.
A newly described protein, PfAP2-I, regulates a number of genes involved with the parasite's invasion of red blood cells, making it an effective target for new antimalarial drugs. Preventing PfAP2-I from binding to DNA and initiating the expression of invasion genes could stop an infection before it reaches the red blood cell stage.
Using the Hubble Space Telescope, astronomers measured the deflection of light rays as they passed near a white dwarf star, providing a solid estimate of its mass. The result confirms theoretical predictions and offers insights into the star's structure and composition.