Physicists found a quantum phase transition associated with the pseudogap phase causes a sharp drop in conducting electrons, leading to superconductivity. The team discovered this point is probably where cuprates support superconductivity at much higher temperatures.
Researchers at Washington State University are developing a computer model and designs for improved liquid transport systems using capillary forces to move liquids through narrow spaces in space. By studying the effects of viscosity in microgravity, they aim to conserve energy and enable longer space missions.
This review article presents an extended study on the crystal and magnetic structure of multiferroic hexagonal manganite RMnO3, which exhibits ferroelectric and magnetic orders. The research highlights the importance of strong interactions between these orders, leading to unique properties.
Researchers use ancient DNA to confirm that extinct glyptodonts were indeed enormous armadillos. The study reveals that these prehistoric creatures evolved from medium-sized forms to become true megafauna over millions of years.
A team of researchers from the Universitat Autonoma de Barcelona tested the mathematical law known as Zipf's Law on a large database of English-language texts in the Project Gutenberg. The study found that 55% of the texts fit perfectly into Zipf's Law, while 40% do when including rare words.
Digital displays showing price promotions increase sales and time spent shopping in hypermarkets. In contrast, displays with unrelated content have no effect, while small convenience-type stores see decreased sales. Larger, browsing-oriented stores reap the most benefits from digital displays.
The journal has devoted its first special issue to gun violence, with notable findings including household gun ownership increasing risk of gun suicide and statutes restricting DVROs reducing fatal intimate partner violence.
Researchers found a dramatic increase in brain plaques when key immune cells are lacking in genetically modified mice, leading to new techniques to identify and treat individuals at risk of developing Alzheimer's. The study suggests the immune system plays a crucial role in clearing beta-amyloid from the brain.
Researchers discovered a molecular link between mood disorders and circadian rhythms in a study on familial advanced sleep phase (FASP) and faulty PER3 gene variants. Mice carrying the faulty gene exhibited depression-like symptoms when exposed to short light periods, mirroring human seasonal affective disorder.
A study of nearly 460 ICUs across 50 countries found ARDS to be underrecognition and undertreatment, associated with a high mortality rate. Clinical recognition of ARDS ranged from 51% to 78.5%, with varying hospital mortality rates depending on severity level.
A new study has identified pre-pregnancy heart abnormalities as a potential predictor of recurrent preeclampsia. Women who had early pregnancy-related high blood pressure were found to have abnormal changes in the size and function of their left ventricle, which pumps blood throughout the body.
The American Cancer Society report reveals progress in reducing cancer death rates among African-Americans, but racial disparities persist in breast and colorectal cancers. The study finds that disparities in access to care and screening contribute to these disparities.
The Helmholtz Zentrum Munchen has been awarded 14 ERC grants, with three scientists receiving 6 million euros. Dr. Daniel Razansky is investigating non-invasive brain imaging methods, while Dr. Irmela Jeremias focuses on targeted tumor treatment and Dr. Mathias Heikenwaelder explores immune system interactions in liver disease.
Researchers present evidence that extended-release sialic acid supplement stabilizes muscle strength in patients with GNE myopathy, a rare progressive adult-onset muscle disease. Therapy with Ace-ER tablets led to dose-dependent increases in serum sialic acid levels and maintained muscle strength in upper extremities.
A new Penn study reveals that fish induce production of a specific antibody, IgT, in response to pathogen exposure on their gills. The researchers found that IgT coats the microbiota in the gills, helping control the community of friendly microbes.
The Crop Science Society of America is sending graduate students to Zambia to learn about dry bean research and increase international knowledge of this important crop. The PanAfrican Grain Legume Conference and World Cowpea Conference will focus on pulses, dry beans, peas, and lentils.
A study of over 600,000 adults found that macrolide antibiotics were associated with a similar 30-day risk of ventricular arrhythmia as nonmacrolide antibiotics, and slightly lower risk of all-cause mortality. The findings are reassuring for healthcare providers who prescribe these antibiotics to patients at low risk of adverse events.
Children with ADHD often exhibit hyperactive behavior when trying to solve problems. New FSU research shows that movement can positively impact working memory and cognitive function in these children. The study's findings suggest that fidgeting may be a helpful strategy for improving attention, impulse control, and school success.
EPFL researchers have developed a low-cost, portable microfluidic diagnostic device that can detect various diseases with high accuracy. The device operates on battery power, uses inexpensive microscopes, and requires no pre-treatment of blood samples.
A study by University of Granada researchers found that maternal DHA supplementation enhances fetal iron metabolism, improving iron reserves and preventing anemia-related complications. The research involved 110 healthy pregnant women who received either a balanced diet or a balanced diet with omega-3 supplements.
Researchers at UEA have discovered a mechanism to target the defensive barrier of superbugs, bringing bacteria down without developing resistance. This breakthrough paves the way for a new generation of drugs that could revolutionize the treatment of antibiotic-resistant infections.
Researchers at UC San Diego School of Medicine have discovered a crucial HIV RNA modification called m6A that influences viral replication. Silencing the enzyme adding or removing m6A from RNA can increase or decrease HIV replication, offering new avenues for developing effective anti-HIV therapies.
A new study reveals that certain fungi associated with tree roots can alter the fate of tropical forests, boosting plant diversity or giving one tree species a distinct advantage. The research found that these fungi, particularly ectomycorrhizas, make nitrogen unavailable to competing species, allowing dominant trees to thrive.
A recent study by University of Warwick researcher Mirko Draca found that higher-priced items are more likely to be stolen. The analysis of monthly data over a 10-year period reveals a strong relationship between price and crime, with a 10% increase in prices associated with a 3.5% increase in crime.
Scientists at Université de Genève found a novel regulatory mechanism in the HigBA toxin-antitoxin system that can selectively kill bacteria when they suffer from DNA damage. This discovery could lead to new treatments for bacterial infections by forcing bacteria to turn their weapons against themselves.
A national look at PET scan use for lung and esophageal cancer survivors found widespread variation between hospitals, with some using scans eight times more often than others. The study suggests that this approach doesn't improve survival rates and is being inappropriately used at many hospitals.
A new microscope enables the visualization of cancer cells in 3D, revealing that these cells form small protrusions called blebs in a more realistic tumor environment. This discovery is a first step toward understanding 3D biology in tumor microenvironments and may help explain skin cancer cell invasiveness and drug resistance.
A new study combines two methods for estimating future sea-level rise, yielding a more robust risk range of 50-130 centimeters by 2100. The research provides critical information for coastal planners, who can use the tool to assess adaptation strategies and design flood insurance schemes.
A comprehensive field study reveals rapid microbial response to warming in tundra ecosystems, leading to increased greenhouse gas emissions and nutrient cycling processes.
Researchers at MDI Biological Laboratory have discovered two drugs that could reverse peripheral nerve damage caused by chemotherapy, with applications also for diabetes and traumatic injuries. The drugs reduce MMP-13 activity, preventing degeneration of axons and restoring touch response in zebrafish.
Researchers used the powerful x-ray pulses from SACLA to investigate excited-state induced transient lattice dynamics in phase-change materials. They observed non-thermal local structural rearrangements within a few picoseconds, followed by warming of the lattice and a 2 pm change in lattice spacing after 20 ps.
Researchers studied tree responses to temperature and dry-season stress in Caribbean lowlands of Costa Rica. The study found significant changes in second-growth tropical forests due to multi-year droughts.
Researchers develop a universal theory to describe single-molecule temporal resolution, enabling real-time observation of macromolecules in live cells. This breakthrough allows for the study of chemistry and biochemistry at a single-molecule level.
A study by UF Health researchers found that most Yik Yak postings were focused on campus life and announcements, with only 13% containing profanity or vulgarities. The team collected 4,001 posts from 42 campuses across the US and did not find any yaks that would warrant a ban.
A recent study by the University of Edinburgh found that couples' shared lifestyle habits, including diet and exercise, have a greater influence on obesity risk than their individual upbringings. By middle age, these shared choices can significantly impact weight management and reduce obesity risk.
A University of Queensland-led study has discovered two new species of extinct kangaroos that couldn't hop but may be ancestral to modern wallabies and kangaroos. The ancient creatures lived around 15-23 million years ago in a densely forested landscape, outcompeting their fanged cousins.
The European Society of Cardiology has launched the first European advice on emergency care for patients with acute heart failure. The guidance highlights that mortality from acute heart failure is even higher than from a heart attack, and that care lags 30 years behind standard treatment pathways for heart attacks.
A team of researchers found gene flow from early modern humans into Neanderthals around 100,000 years ago. This discovery challenges previous estimates and suggests that some modern humans may have left Africa earlier than thought.
A James Cook University study found that turtles are left vulnerable due to gaps in reporting of bycatch, a common cause of sea turtle deaths. The researchers recommend pooling bycatch records across fisheries and states over time to better measure the impact on turtle populations.
Researchers at KAUST created a low-cost sensor using everyday materials to detect external stimuli. The 'Paper Skin' sensor performs well as an artificial skin application while integrating multiple functions using cost-effective materials.
Astronomers have found a massive tail of hydrogen gas extending from a nearby galaxy, measuring five times longer than the galaxy itself. The discovery suggests that this phenomenon is common in galaxy clusters, and could be indicative of many other galaxies having similar features.
A European Heart Rhythm Association/European Society of Cardiology survey found that patients with no schooling missed treatment targets more often and were less aware of bleeding risks. The study highlights the importance of providing user-friendly education about risk factors for stroke and adequate use of anticoagulants.
Researchers at Hiroshima University have linked stomach (gastric) and prostate cancer to a specific type of DNA called T-UCRs. The study identifies a potential regulatory pathway of stomach (gastric) cancer, providing new insights into cancer genetics.
The Daya Bay Collaboration has obtained the most precise measurement of reactor antineutrino energy spectrum ever recorded, showing a surprising excess of antineutrinos at an energy of around five million electron volts. This deviation of up to four standard deviations suggests that current calculations may need refinement.
Researchers discovered that E. coli uses bio-films to protect itself from the bacterial predator Bdellovibrio bacteriovorus, allowing it to survive in fragmented environments. This finding could lead to the development of alternative antibiotics that target specific harmful bacteria while leaving benign ones untouched.
Insect taste organs on their legs help guide feeding behavior, with specific neurons processing information differently in the brain and influencing movement towards food or away from it.
Scientists at MSU have created a new cathode material for Li-ion batteries that can enhance charge rates drastically. The material demonstrated high charge/discharge rates while retaining over 75% of initial capacity, making it a promising contender for commercialized high-power cathode materials.
A study at Hospital for Special Surgery found that patients who received one-on-one education with a physical therapist before knee or hip replacement surgery were more satisfied and better prepared for recovery. They also needed fewer physical therapy sessions in the hospital.
Researchers from MIPT and MSU created a computer model predicting agrochemical activity using machine learning and Kohonen self-organizing maps. The model showed high predictive power, accurately classifying molecules into pesticides or plant growth regulators with 87% accuracy.
GPM satellite reveals heavy rainfall and a well-defined circular eye in Tropical Cyclone Uriah, but also detects a weakening trend starting on Feb. 17, with maximum sustained winds peaking at 125 knots (144 mph) on Feb. 18.
Researchers develop gene therapy using T cells to target cancer mutations, reducing side effects. The approach involves transferring tumor-specific T cell receptors into fresh T cells, enabling them to fight tumors.
Researchers found that uninsured children have the lowest and most unstable medical home experiences, despite being in greatest need of constant, quality care. The study emphasizes the need for extra efforts to ensure all children have access to quality healthcare, even with the implementation of the Affordable Care Act.
Georgetown infectious disease expert Daniel Lucey discusses the importance of global health leadership in responding to the Zika virus pandemic. He shares his experience working with clinicians and epidemiologists in Brazil and West Africa, highlighting the need for collaborative approaches to address emerging infectious diseases.
A new device may significantly speed up the process of inserting DNA into bacteria, which is a critical first step in genetic engineering. The device, developed by MIT engineers, uses a microfluidic system to identify optimal electric field conditions for reversible membrane poration.
Five major US school systems paid millions of dollars in finder's fees to Teach For America, despite budget cuts and teacher shortages; contracts favored TFA corps members over non-TFA teachers
Researchers discovered a common molecular alteration in glioblastoma that prevents cells from degrading genetic material during apoptosis. This defect is related to an enzyme called endonuclease DFF40/CAD, which is downregulated and improperly located inside tumour cells.
Tropical Cyclone Winston is intensifying near Fiji, with NASA's Suomi NPP satellite capturing images of the strengthening storm. The Joint Typhoon Warning Center forecasts Winston to make landfall on the east coast of Fiji as a major Category 4 hurricane, threatening catastrophic damage and power outages.
Florida State University researchers are working on a new approach to deciphering genetic data that may lead to more targeted prostate cancer treatments. They identified altered signal pathways in prostate cancer, which could help pinpoint genetic changes that matter in cancer development and progression.
Scientists have developed a novel method to control the Berry phase of a quantum state in a nitrogen-vacancy center in diamond, enabling robust quantum logic operations. The approach uses laser light to draw paths for the defect's spin, resulting in insensitive behavior to noise sources.
During sleep, brain activity patterns from the day are replayed at fast-forward speed in the hippocampus, strengthening microscopic connections between nerve cells. This process is crucial for consolidating memories and retaining important information.