Researchers found evidence of an early manganese-oxidizing photosystem in ancient South African marine sedimentary rocks, which predates the evolution of oxygenic cyanobacteria. This discovery supports the idea that manganese oxidation provided a stepping-stone for water-oxidizing photosynthesis.
A collaborative EU-funded project aims to discover and develop novel antifungal drugs to combat drug-resistant fungal infections, which kill two million people annually. The NOFUN project brings together partners to accelerate development of broad-spectrum antifungal agents with new modes of action.
A clinical trial of a DNA vaccine has delivered promising results, suggesting that it may selectively counter the immune response that causes Type 1 diabetes. The vaccine reduced levels of immune cells believed responsible for the disease and maintained insulin production levels in patients.
Research shows that almost all children with congenital heart disease have low Vitamin D levels before and after surgery. Children with lower post-operative Vitamin D levels require more life-sustaining therapies and stay in the ICU longer.
A new UCSF study has identified thousands of previously unknown RNA molecules outside genes that are more likely associated with inherited disease risks. The research highlights the potential importance of non-gene DNA regions in human biology.
A study by University of Illinois researchers found that Christians on Twitter use more positive words and engage in less analytical thinking than atheists. The analysis of nearly 2 million tweets also showed that Christians are more likely to tweet about their social relationships.
A study of over 3,000 households found that only 21 percent accounted for 50 percent of greenhouse gas emissions. Large living spaces and long commutes were key factors contributing to a disproportionately large environmental footprint.
The UK chemical industry must radically transform its production processes to achieve absolute emission reductions by 2050, according to a new report. The sector's energy intensity and reliance on high-emission feedstocks pose significant challenges to meeting the Government's 80% greenhouse gas reduction target.
A false-color image from NASA's Landsat 8 satellite captured the extent of the East Peak fire burn scar in southern Colorado. The fire burned nearly 13,500 acres before being extinguished on June 25, 2013.
A zebrafish model reveals defects in motor neuron transport leading to CMT's progressive weakness and long-term pain. Researchers seek funding to identify new treatments for the condition.
A new study published in Gastroenterology reveals a significant increase in drug-induced liver injury cases worldwide. The most common culprits were antibiotics like amoxicillin-clavulante, immunosuppressants such as azathioprine and biologics like infliximab.
Astronomers found two planets smaller than Neptune orbiting Sun-like stars in the dense star cluster NGC 6811. The discovery shows that planets can form and survive even in crowded clusters.
Distal radius fractures, a common elderly fracture, require standardized measurement of clinical outcomes to inform evidence-based practice and research. ISFR-ISOF recommendations promote international consensus on core domains for assessment, including pain, function, and participation.
Hurricane Cosme weakened after being tracked by NASA satellites, causing strong winds on Clarion Island, Mexico. The storm was expected to continue weakening and drop to tropical depression status on June 27.
Dolores H. Hill, a NASA scientist, has been selected by the White House as a Citizen Science Champion of Change for her work on the Target Asteroids project. The project aims to engage amateur astronomers in tracking near-Earth objects and improve our understanding of asteroids.
A virtual skin model developed by researchers at the University of Sheffield and PÎG has revealed that skin has 'sleeping' stem cells which can be woken up to regenerate skin, explaining why our ability to do so reduces with age. The model has implications for combating aging effects and skin cancer.
A new dispatch system could reduce trip lengths by two-thirds and get drivers back home more often, saving money on trucks needed to move freight. The system combines elements of point-to-point and relay networks to optimize load routing and minimize driver impact.
The ISSUE III registry study found that cardiac pacing is more effective in patients with presumed neurally mediated syncope (NMS) and asystolic episodes, than in patients with positive tilt table testing. The registry showed that oral anticoagulation therapy is now widely used in patients with atrial fibrillation.
A large analysis of the Women's Health Initiative trial found that combining hormone therapy with calcium and vitamin D supplements significantly reduces the risk of hip fractures. The study suggests that women taking postmenopausal hormone therapy should consider taking these supplements to boost bone health.
A new class of experimental drugs has shown promise in preventing early memory loss in Alzheimer's disease by targeting a brain enzyme. The compound, MW108, halted memory loss and fixed damaged communication among brain cells in a mouse model of the disease.
A recent study by MBL researchers has identified ZIP12 as a critical transporter for zinc uptake in the brain, essential for embryonic development. Impaired zinc uptake leads to neuronal growth impairment, fatal to developing embryos. The discovery highlights the importance of periconceptional and prenatal nutrition for promoting healt...
Runners in a 200-mile Alpine ultramarathon experienced less muscle damage and fatigue compared to those who ran 103 miles. Protective pacing strategies, combined with sleep deprivation effects, may induce relative muscle preservation.
The University of Houston has selected two students, Antonia Caliboso and Jag Maturi, to lead health-related service initiatives for underserved communities through the Houston-Galveston Albert Schweitzer Fellowship Program. The programs aim to address social determinants of health and promote healthy lifestyles.
A new study by the University of Manchester found that patient suicide and homicide risk is often poorly assessed, with unsatisfactory assessments in about a third of cases. The researchers emphasize the need for individually tailored risk management, moving away from a 'tick-box' approach.
A study by Dr. Zoltan Medgyessy found that applying pressure to the P6 antiemetic point on the inner wrist with an acupressure wristband significantly reduced nausea intensity in patients experiencing migraines, with relief reported after just 28 minutes.
A study of 9,000 Ontario students found that 20% reported a traumatic brain injury in their lifetime, with sports accounting for over half the injuries. The prevalence is higher than previously thought and may be linked to mental health and substance use during adolescence.
A new study has found that crabgrass produces chemicals that inhibit the growth of nearby staple crops like wheat, corn, and soybeans. The research, published in ACS' Journal of Agricultural and Food Chemistry, suggests that crabgrass is not just a nuisance but also a significant cause of crop loss on farms.
The University of Colorado Boulder has joined the Sloan Digital Sky Survey-IV to study the structure and evolution of the universe. The survey will use powerful new instruments to analyze data from galaxies and quasars, shedding light on dark energy and the formation of our galaxy.
A massive fungal meningitis outbreak linked to contaminated steroid injections has been reported in the US, with over 13,000 people affected. Researchers found that a dark-colored environmental mold, Exserohilum rostratum, infects humans mainly through cerebrospinal fluid migration.
A team led by UC Riverside's Karine Le Roch will study the 3-D structure of the malaria parasite's genome during its erythrocytic cycle, which could lead to insights into how parasite genes are regulated. This information is crucial for designing new drugs and novel lines of defense against malaria.
New research correlates oral ingestion of antibiotics with rapid rise in resistance. Alternative routes like injection may slow the spread of resistance genes. The study found that oral administration led to faster development of resistance in mice compared to injection.
A Phase III clinical trial showed that a simple drug regimen of clopidogrel and aspirin lowered the risk of stroke by almost one-third compared to aspirin alone. The three-month period following stroke is critical for medical intervention, and the combination was found to be more effective in preventing subsequent strokes.
Researchers found that bullfinches memorize melody sequences in smaller subunits, anticipating the next note sequence when their human partner stops. The study suggests that songbirds have complex brain processes to learn and recall human melodies accurately.
An independent review of Labour's record in office reveals that both major political parties have overstated their claims and counter-claims on education. The report praises Labour's policy on further education and Education Maintenance Allowance, while accepting that New Labour prioritized education spending.
The study reveals a large block of genes from wild relatives are present in domestic tomatoes, affecting the genome in unexpected ways. Genes associated with fruit color and drought tolerance show rapid evolution among domesticated and wild varieties.
Leading researchers at the University of Massachusetts Amherst and Maine disagree with a Pew Charitable Trusts 'factsheet' on Bluefin tuna stocks, stating it lacks scientific credibility. The experts advocate for considering alternative hypotheses and multiple population models in stock assessments.
Researchers found that infants as young as 5 months can match positive and negative emotional cues, including facial expressions and vocalizations. This groundbreaking study sheds light on early infant development and suggests babies are more attuned to emotions than previously thought.
Radiology residents primarily use iPads as educational tools, with limited impact on daily clinical duties. Only 12% used iPads to sign dictated reports, and most had not used them for viewing radiologic examinations.
A recent study by Brown University found that Asian Americans' neighborhoods tend to be highly segregated and affluent, unlike other minority groups. Despite this, there is little incentive for Asians to assimilate into white neighborhoods due to their own socioeconomic advantages.
Researchers found that the human shoulder acts like a slingshot during a throw, storing and releasing energy to produce fast throws. This ability first emerged in Homo erectus approximately 2 million years ago and was crucial for hunting and survival.
Researchers reviewed existing studies on nanoparticle toxicity and found that ingestion is unlikely to cause health problems at typical exposure levels. However, the literature lacks evidence on long-term effects or subtle alterations in gut microbial populations.
ScreenPass adds new features to an Android phone's operating system to prevent malicious apps from stealing user passwords. It uses a special-purpose software keyboard and computer vision to track password data and notify users of potential threats.
A 700,000-year-old horse fossil found in the Yukon permafrost has provided new insight into equine evolution, revealing a genome that falls within a line of modern horses and Przewalski's Horses. The study also showed episodes of severe demographic fluctuations in horse populations linked to major climatic changes.
A recent brain imaging study by Boston Children's Hospital suggests that consuming highly processed carbohydrates can stimulate the brain's reward and craving centers, leading to excessive hunger. Limiting high-glycemic index foods may help obese individuals control their appetite.
A new laser system can analyze reflected infrared light to determine a target's chemical composition, improving military surveillance capabilities. This technology could also enhance full-body airport screening.
Researchers at NREL developed a tandem cell with a gallium indium phosphide cell atop a gallium arsenide cell, achieving the new record efficiency of 31.1%. This improvement enhances photon recycling and luminescent coupling in the lower bandgap junction.
A recent study published in the Journal of the American College of Cardiology found that heart failure patients are more likely to develop cancer, with a significant increase in mortality rates. The study suggests that side effects of cardiovascular treatments and inflammation may be contributing factors.
A new study published in Journal of Social and Personal Relationships found that during high mutual cooperation, men tend to match their partner's emotions, while women experience an 'antiphase' pattern. Women may serve as emotional regulators during cooperation, potentially impacting relationship outcomes.
A Weill Cornell study reveals nearly half of hospital admissions and deaths in Tanzania are due to hypertension and stroke. The researchers attribute the rise to urbanization, industrialization, and dietary changes.
A large study using a new genetic method found that overweight is associated with an increased risk of heart failure. The study, which included nearly 200,000 subjects, also confirmed that obesity leads to higher insulin values and increased inflammation markers.
A study by UCLA researchers found that older adults who used the Dakim BrainFitness program demonstrated significant improvements in both immediate and delayed memory skills, as well as language abilities. The findings suggest that computerized brain training can be an effective way to improve cognitive skills in this age group.
Patients with strokes often encounter barriers in receiving adequate care due to fragmented services and poor communication. Systematic review findings highlight the need for health systems to prioritize patient needs over healthcare systems.
Researchers have developed a novel vaccination method using gold nanoparticles that can deliver specific proteins to the body's immune cells. The technique mimics viruses and stimulates an immune response, offering significant safety advantages.
A large study found that regular aspirin use is associated with a lower risk of BRAF-wild-type colorectal cancer, but not BRAF-mutated cancer. The researchers also observed a significant risk reduction for BRAF-wild-type cancer with increasing aspirin tablets per week and longer duration of use.
Scientists have developed a palm-sized microarray platform that can grow up to 1,200 individual cultures of fungi or bacteria. This technology has the potential to accelerate drug discovery for treating various types of infections.
A new study found that patient and visit factors, such as prior visits, referral sources and clinical reasons, are the primary predictors of imaging use in emergency departments. Physician-related factors had a minimal impact on imaging utilization.
A new study from SDSU found that autism affects a broad range of sensory and motor systems, not just social abilities. The research suggests that the diagnostic criteria for autism may fail to consider the full spectrum of problems children with autism experience.
A new study finds that involving community groups in depression care improves mental health outcomes among low-income patients. The community engagement approach, which included collaborative planning with diverse services programs, resulted in increased physical activity, lower hospitalizations, and improved stability in daily life.
Researchers found that PET-CT improved staging accuracy and intrathoracic disease identification in limited-stage small-cell lung cancer patients. This led to an improvement in overall survival rates compared to those not staged with PET-CT.
A new study reveals climate change is altering Southern Hemisphere circulation patterns, with mid-latitude high pressure zones being pushed further into the Southern Ocean. Rising global temperatures are driving winds south, contradicting expectations from strong El Niño events.