A recent genetic study involving 378 Arabian horses from 12 countries found a larger degree of genetic diversity than previously thought, contradicting popular notions about the breed's history. The research also revealed that the modern-day Thoroughbred does not contribute genetically to the Arabian horse, contrary to common belief.
Researchers developed the first fully-glycosylated full-length SARS-CoV-2 spike protein models available to other scientists. The models can be used for innovative simulation research to prevent and treat COVID-19.
A new urine test measures diet quality and identifies an individual's unique 'fingerprint', providing insights into their nutritional needs. The test reveals associations between metabolites in urine and dietary intake of specific foods, nutrients, and health conditions.
Researchers found a 8% increase in sunlight reaching solar panels in Delhi due to reduced air pollution. The cleaner air allowed for more efficient energy production from solar panels.
COVID-19 respiratory droplets spread through air, posing risks to health care professionals. Guidelines offer recommendations to reduce transmission, including PPE use and distancing measures.
A new Yale-led study finds that a decline in green energy spending during the global crisis could outweigh the short-term environmental benefits of reduced carbon emissions and local air pollution. The economic downturn may lead to a significant setback in clean energy innovation, with potential impacts on human health.
Researchers found that fish eggs can survive gut passage in ducks, with 0.2% of eggs intact after 24 hours. This process may play a key role in the dispersal of invasive fish species, such as Prussian carp, across wide geographic areas.
Researchers found that a digital media literacy intervention increased discernment between mainstream and false news in the US and India. However, the benefits were short-lived, highlighting the need for consistent reinforcement of lessons from the intervention.
Scientists have discovered man-made mercury pollution in the Marianas Trench, the deepest part of the ocean. This finding has significant implications for the marine environment and food chain, highlighting the impact of human activities on the planet.
Researchers at Stanford University have developed a new lithium-based electrolyte that can improve the performance of lithium metal batteries. The novel electrolyte design boosts energy density and coulombic efficiency, leading to longer battery life and reduced weight.
Studies suggest ultraviolet light is an efficient method to prevent SARS-CoV-2 transmission in indoor spaces. By irradiating UV-C sources inside ventilation systems, airborne and surface-deposited viruses can be quickly deactivated, protecting millions of workers worldwide.
Researchers developed a model to help airlines respond to flight delays and cancellations while considering potential future disruptions. The approach could result in millions of dollars in savings annually by reducing unnecessary costs such as speeding up aircraft or canceling flights.
Researchers analyzed data from over 15,000 people to find that the number of HDL particles is a more reliable predictor of heart attack and stroke risk than standard HDL cholesterol metric. In black people, neither HDL measurement was significantly associated with heart attack risk.
Beekeepers across the US lost 43.7% of their colonies in 2019-2020, with summer losses being the highest ever recorded at 32.0%. Winter losses were lower than usual, but commercial beekeepers struggled the most due to queen health and poor management practices.
Researchers at CNRS and Delft University of Technology have developed acoustical tweezers to control microbubbles, enabling highly localized drug delivery. This breakthrough opens up new possibilities for controlled medicine delivery and tissue engineering using stem cells.
SourceCNRS·JournalProceedings of the National Academy of Sciences·DateJun 22, 2020
Biosurfactant from yeast dissolves Pseudomonas aeruginosa biofilms, weakening interaction between biofilm and surface and breaking internal cohesiveness, leading to disruption. Combination with chemical surfactants demonstrates stronger antibiofilm effects at lower concentrations.
A newly discovered gene RBFOX1 may drive the first appearance of amyloid plaques in the brain, contributing to Alzheimer's disease. The study found that variants of RBFOX1 increase protein fragments making up amyloid plaques and disrupt critical connections between neurons.
A novel treatment combining FGF1 and CHIR99021 significantly reduced the size of dead heart tissue and improved left ventricle function in animal models. The treatment also promoted cell growth, angiogenesis, and prevented apoptosis, offering a potential breakthrough in cardiovascular sciences.
The University of Queensland's antibiotic discoveries will be fast-tracked under a US$11 million international research deal. The funding supports the development of a new antibiotic, Octapeptin-X, targeting drug-resistant bacteria that evade current therapies.
Research by Bangor University and University of Plymouth reveals artificial lighting disrupts lunar compass used by sand hoppers and other marine species, leading to altered migration patterns and potential ecosystem impacts.
Researchers found that human participants consistently biased their movements toward a perceived stronger odor source, even when unable to report nostril detection. The study suggests that humans navigate with stereo olfaction, similar to the binocular and binaural senses that enable 3D perception.
Researchers at MIT developed a double-sided adhesive that can quickly and firmly stick to wet surfaces like biological tissues. The new design allows for detachability without tissue damage by applying a liquid solution, making it easier for surgeons to close internal wounds.
Researchers found that female mice mated with sterile male mice experienced a growth-reproduction trade-off, resulting in weight gain and increased reproductive output in late life. However, this also led to a reduced lifespan compared to those housed with other females.
A study by Dana-Farber Cancer Institute finds that an online CBT-I program significantly alleviates insomnia and improves overall quality of life in AYA cancer survivors. The program helps correct maladaptive sleep habits developed during treatment.
Researchers found that patients with sepsis had higher levels of GDF15 in their blood, which was correlated with mortality. In mice without the GDF15 gene, the absence of this hormone improved survival rates after bacterial infection.
A recent study found that the human brain processes speech with exceptional temporal fidelity, unlike other sounds. The researchers used millisecond-scale brain recordings to decode and reconstruct spoken words, discovering a unique time-locked encoding mechanism for speech.
Researchers developed ribosome tethering tools to image neural circuits with greater precision. This allows for direct visualization of neuronal activity, reducing background fluorescence and spurious signals from surrounding nerve fibers.
Canada's healthcare system faces high hospital occupancy rates and inefficiencies due to inadequate capital funding, which hinders the adoption of new technologies and infrastructure upgrades.
A nationwide analysis found Southwestern US correctional facilities' drinking water contains average arsenic concentrations twice as high as other community systems. This puts inmates at risk for chronic diseases like hypertension and diabetes.
Two studies provide new insights into antibody testing and RNA testing for SARS-CoV-2. Researchers found that antibody tests are highly accurate, but repeat testing is necessary to confirm infection status. The gold standard rt-PCR test can detect current infection, but false positives can occur.
A new technique that synchronises the clocks of computers in under a billionth of a second can eliminate one of the hurdles for the deployment of all-optical networks, potentially leading to more efficient data centers. This method, called clock phase caching, can reduce the time to recover the clock and increase performance of optical...
A new class of precision medicine targeting cancer's ability to repair its DNA has shown promising results, with half of patients experiencing tumor growth halt. The drug works by stopping cancers from repairing DNA damage and is particularly effective when combined with chemotherapy.
Researchers have created a catalyst that can break carbon-fluorine bonds via hydrodefluorination, a process known as C-F bond breaking. The innovation has potential applications in remediating fluorinated compounds and could lead to cleaner, more efficient chemical processes.
Researchers suggest that radioactive elements uniquely distributed after the Moon-forming collision led to the near and far sides' differences. The unique composition of KREEP rocks, linked to radioactively unstable elements, provides a key explanation for the Moon's asymmetry.
A new 3D-printed membrane designed by Pitt ChemE professor Lei Li has the potential to efficiently separate oil and water. The membrane's unique surface topography and pore size will enable effective separation of oil-water emulsions, converting oily wastewater into purified water.
A study found that Universal Credit's single payment between partners can lead to financial difficulties, particularly for women. The research calls for policy changes to provide financial independence for both partners in modern relationships.
The researchers developed new synthesis methods for polyheterocyclic compounds containing triazolo and tetrazolo moieties. These compounds were found to act as inhibitors for the Tankyrase I enzyme, showing potential in cancer treatment
A simulation model suggests that all tax designs would generate substantial health gains and lower health costs in the US. The tiered sugar content tax could generate the largest health gains and cost savings, particularly among younger adults, blacks, and Hispanics.
A new study finds that poorly designed tree-planting campaigns could lead to more biodiversity loss and little climate change benefit. Strong subsidy restrictions are crucial to avoid these negative impacts.
A new study found that seasonal growth and destruction of sea ice in the Southern Ocean enhances marine life present in the sea around Antarctica, sequestering carbon from the atmosphere. The researchers analyzed data from a period when atmospheric carbon dioxide levels plateaued at 240 ppm 14,600 years ago.
A new study published in Nature Geoscience suggests that Pluto and other large Kuiper belt objects began with liquid oceans that have been slowly freezing over time. The 'hot start' scenario is supported by observations, which indicate expansion features on Pluto's surface rather than compression features.
A surge in flu-like infections in the US in March suggests more than 8.7 million new COVID-19 cases occurred, with 80% remaining unidentified. Surveillance networks for influenza-like disease offer a tool to estimate COVID-19 prevalence, which has been hard to pin down.
The SeaBee project will develop a national centre for state-of-the-art environmental research, mapping, and monitoring of Norway's coasts using drones, machine learning, and novel cloud storage solutions. This will enable better understanding and management of the country's coastal environment.
Recent studies examined the association between recreational marijuana legalization and changes in traffic fatality rates. The research found a significant decrease in traffic fatalities after states legalized cannabis use.
A new study found that seasonal growth and destruction of sea ice enhances marine life, drawing down carbon from the atmosphere and storing it in the deep ocean. This process could provide a critical resource for developing future climate change models.
A theoretical model suggests that slowing Atlantic Meridional Overturning Circulation leads to reduced northward nutrient transport, suppressing Subarctic Atlantic Ocean biological productivity. This finding may improve marine biogeochemistry projections for the next century.
Researchers have discovered how XPG binds to and reshapes damaged DNA, illuminating its role in maintaining genetic stability. The protein's unique 'sculpting' activity allows it to bend DNA, recruiting proteins to fix damage, and may help prevent cancer by supporting homologous recombination.
Researchers explore direct reprogramming as an alternative to cell therapy-based strategies for cardiac regeneration after myocardial infarction. They identify microRNAs and biomaterials like electrospun scaffolds and nanoparticles as potential non-viral vectors for safe delivery of genetic reprogramming.
Researchers have developed bioactive factors-imprinted scaffold vehicles to promote bone healing by improving the stability and half-life of exogenous biofactors. The vehicles were used in various forms, including rigid bone graft substitutes, soft sponge-like scaffolds, and injectable vehicles, to enhance bone repair.
Scientists at University of Wisconsin-Madison found that a constantly changing environment enables some species to invade new areas and adapt to their new homes by maintaining genetic diversity. The researchers studied the copepod Eurytemora affinis, which invaded the Great Lakes and other freshwater lakes.
Research finds nanoplastics can accumulate in plants, depending on surface charge, impacting ecological effects and agricultural sustainability. Plant growth is reduced, with positively charged particles causing more harm than negatively charged ones, according to a new study.
The study reveals that medieval glass production in Spain predates Islamic influence by more than 50 years. Glass fragments from the Rabad of Šaqunda date back to the 8th century and show evidence of local lead production using nearby ore deposits.
Scientists discovered that Neurospora crassa, a type of bread mould, actively mutates its own DNA to fight virus-like infections. The fungus uses a process called Repeat-Induced Point mutation (RIP) to rapidly degrade transposable elements, but this comes at a cost of considerable collateral damage.
A nationwide study of over 2,000 Americans found that social distancing during the COVID-19 pandemic did not lead to an overall increase in loneliness. Instead, people reported feeling more supported by others and a sense of community, which may have limited increases in loneliness.
The EMBL survey found that 77% of institutes were fully shut down, causing researchers to lose part of their ongoing experiments. Despite challenges, many scientists adapted to remote work and even increased manuscript submissions.
A new University of Otago study found that mating with sterile males early in life increases female growth but reduces lifespan. Mating with fertile males later in life has the opposite effect, increasing reproductive output. The findings suggest long-term consequences of social interactions between males and females.
A new super-resolution microscope reveals unprecedented detail of the centriole's twist, a nanoscale structure important for cell division. The technology could be used to study other cellular structures like mitochondria or viruses.
A case series examines community containment measures in China to restrict COVID-19 spread, highlighting mixed results with some areas achieving success while others struggled. The study reveals the importance of coordinated public health efforts and rapid response times in controlling outbreaks.
A recent study published in Sports Medicine - Open reveals that professional soccer players experience asymptomatic cartilage and meniscus damages in their knee joints, regardless of age or career duration. The dominant leg's condition is identical to the non-dominant one, with certain tissue changes more common in experienced athletes.
Researchers at UVA Health System are pioneering a new technique using focused ultrasound to destroy cancer cells without generating heat. The approach, tested on cell samples in lab dishes, shows promise against glioblastoma and other difficult-to-treat cancers.
A new study on palm oil agriculture in Borneo found that protected forest areas within oil palm plantations store up to 20% more carbon than those with no protection. These areas also boost rainforest biodiversity by conserving endangered species such as hornbill birds and dipterocarp trees.
A novel method for 3D printing components used in neutron instruments has been licensed to ExOne Company. The collaboration will help develop patent-pending techniques to create lightweight, metal-infused composites ideal for neutron scattering applications.
A recent study found that protected areas in Finland do not harbor higher densities of large carnivores than unprotected lands, with wolverine populations declining within some areas. However, the study also suggests that protected areas can support seasonal habitats and prey for these mobile species.
Research on brain-damaged patients with distorted perception reveals neural processing can occur despite lack of awareness. The study's findings have significant implications for theories of human visual awareness and suggest a reevaluation of the relationship between complex cognitive processing and awareness.
A recent study found that certain genes are associated with the pathogens that infect chronic wounds and hinder the healing process. The research showed that patients with more diverse wound microbiomes healed faster.
Scientists have caught BAM guard towers red-handed, revealing their role in bacterial resistance to antibiotics. This discovery provides unprecedented insight into the mechanism of bacteria, offering a new angle for targeting BAM during antibiotic treatment.
A large retrospective cohort study found that flu vaccination was associated with a small increased risk for subdeltoid bursitis. Researchers suggest education and training on proper injection technique could prevent this adverse event.
A study published in National Science Review found that COVID-19 lockdowns in China led to a sharp reduction in transportation emissions, but this was offset by an increase in secondary particle formation due to enhanced atmospheric oxidizing capacity. The study suggests that coordinated control of various primary emissions is necessar...
Researchers have created a metal-like quantum gas by exciting electrons in ultracold rubidium atoms, allowing for ultrafast simulation of many-body electron dynamics. The exotic phase has the potential to enhance our understanding of physical properties like superconductivity and magnetism.
Dr. Gosain's lab aims to establish a causative relationship between dysbiosis and Hirschsprung-associated enterocolitis, identifying key drivers of the disease and potential therapeutic targets.
The COVID-19 pandemic may slow down the transition to cleaner technologies due to reduced investments in clean energy innovation. This could lead to increased greenhouse gas emissions and air pollution. However, governments can respond by incorporating green components into stimulus packages and investing in renewable energy.
A team of scientists and historians found evidence connecting an ancient period of extreme cold in Rome with a massive eruption of Alaska's Okmok volcano in 43 BCE. The study used ice core samples to link the eruption to the caldera-forming event, which had significant impacts on climate and history.
A team of scientists at Aalto University has successfully created a Bose-Einstein condensate that behaves as if it were one particle, but makes the elusive state of matter in just 100 femtoseconds. The breakthrough could lead to new areas of fundamental research and applications with these condensates.
A recent study found that seasonal sea ice growth and destruction increased biological productivity in the Southern Ocean, extracting carbon from the atmosphere and storing it in the deep ocean. This process helps explain a long-standing question about a 1,900-year pause in CO2 growth during the Antarctic Cold Reversal.
Researchers identified six domains of nonbiological factors that contribute to mortality risk, including health behaviors, psychological characteristics, and socioeconomic conditions. The study highlights the importance of behavioral, psychological, and social factors in mortality risk assessments.
Researchers discovered that gold nanorods can catalyze the degradation of organic micropollutants like bisphenol A and perfluorooctanoic acid. When exposed to sunlight, these nanorods produce free radicals that break down pollutants, making them a promising low-cost water purification method.
A massive volcanic eruption in 43 BCE, linked to the Okmok volcano in Alaska, may have contributed to the unusual climate events that coincided with the fall of the Roman Republic. The eruption produced two years of prolonged cooling and increased precipitation, likely exacerbating crop failures, famine, and disease.
A global initiative is investigating how animals are responding to reduced levels of human activity during the Covid-19 pandemic, revealing insights into human-wildlife interactions. The study aims to improve understanding of space sharing on a crowded planet with benefits for both wildlife and humans.
A novel pretreatment strategy has been developed to resolve the issue of silicon anode materials in lithium-ion batteries. The technology enables simple and safe processing for large-scale production, resulting in high initial battery efficiency and increased energy density.
The #HealthyRecovery initiative calls on G20 Presidents and Prime Ministers to support projects enabling ecological restoration for improved air quality and soil health. Experts warn that global environmental and climate crises compromise human health and long-term survival.
A study reveals that long-tailed tits employ learned vocal cues to distinguish between close kin and non-kin, thereby avoiding incest. This unique strategy helps the birds maintain genetic diversity and is crucial for their reproductive success.
A CHOP study demonstrates that remote continuous EEG monitoring can detect seizures in at-risk neonates, impacting clinical care and guiding treatment decisions. The study showed that seizures occurred in about one-quarter of the records, with CEEG impacting outcomes in three-quarters of cases.
Scientists at City of Hope and TGen found that circulating immune cell dynamics can inform how patients respond to immunotherapy. The study's findings highlight an important predator-prey relationship between immune cells and tumor response.
A study by Dr. Jiangen Zhou et al. found that fish farming significantly changes microbial communities and decreases nitrogen levels, offering a potential solution to reduce nitrate pollution in ponds.
A UBC study analyzed survey data from 13,611 adults in the US to identify social and behavioral factors closely linked to mortality. The top 10 factors included smoking, divorce, alcohol abuse, recent financial difficulties, and history of unemployment.
A study by researchers from Princeton University found that simple digital-media literacy outreach can help people distinguish between mainstream and false news headlines. The intervention improved accuracy by 26.5% in the US and 17.5% in India, with effects lasting several weeks.
A University of Kansas undergraduate majoring in ecology & evolutionary biology, Rachel Smith, has published a description of 18 new species of aquatic water beetles from the genus Chasmogenus. The research involved fieldwork and lab work to identify key differences in DNA evidence and internal anatomy.
Researchers have discovered a way to soften a cell's nucleus, allowing it to move through dense connective tissues and promote injury repair. This breakthrough could lead to new therapeutics for healing dense connective tissues with poor natural repair capacity.
Researchers analyzed UK mortality statistics from December 2019 to March 2020 and found a lower death rate compared to previous years. Early social distancing measures, such as hand washing and staying home when unwell, may have contributed to this reduction in deaths.
Researchers found that watching positive videos about wolves increased participants' tolerance and willingness to act for wolf conservation. The largest changes in tolerance were seen among older age groups, regardless of political affiliation.
Researchers found that smokers with higher math skills remembered more of the scary stats about smoking risks, leading to greater risk perception and intentions to quit. This study highlights the importance of numeracy in helping smokers make informed decisions.
Researchers at Northwestern University have developed a family of soft materials that imitates living creatures, bending, rotating and even crawling on surfaces when hit with light. The materials move without complex hardware or electricity, and have potential applications in energy, environmental remediation and advanced medicine.
A new study reveals that antibiotics are being recommended far more frequently and on a greater variety of crops than previously thought. The research found that over 100 crops use antibiotics, including some critically important for human medicine, with significant regional variations.
Researchers at the University of South Florida Health have identified a mouse model that mimics human heart failure with preserved ejection fraction (HFpEF) syndrome. The study found that mice deficient in a receptor needed to clear chronic inflammation develop obesity and heart failure, offering new potential targets for therapies.
A new way to engineer optoelectronic devices has been discovered by researchers at George Washington University. Using a method called strainoptronics, the team created a novel photodetector that can operate with high efficiency at telecom wavelengths, advancing future communications and computer systems.
Fugaku achieved a LINPACK score of 415.53 petaflops, surpassing its nearest competitor Summit in the US, and ranked first on HPCG and Graph 500. The supercomputer will address high-priority social and scientific issues through various applications.
Researchers at Goethe University have successfully produced tsetse fly attractants in genetically modified brewer's yeast, which could be used to contain sleeping sickness. The new production method is cost-effective and environmentally friendly, making it suitable for rural communities in Africa.
Researchers at SLAC and Stanford discovered that water exposure can round particles, opening up active sites in palladium-platinum nanoparticles. Larger particles are more active due to their shape change during reactions.
Researchers found that limiting media use can lead to disinterest, while introducing new materials expands children's creativity and improves motivation. Educators are recommended to instruct students on new media application and object proportion management to enhance learning outcomes.
A novel liquid biopsy method has been developed to detect early kidney cancer with high accuracy, including small and localized tumors that are often curable but difficult to detect. The test is nearly 100% accurate in blood samples but shows less accuracy in urine samples, which can be improved through technical optimization.
Researchers used recommender algorithms to suggest antiviral compounds based on latent relationships in chemical and biological data. They successfully pinpointed promising drug candidates with anti-SARS-CoV-2 activity.
PATRIOT analysis uses organoids to identify potential therapeutic targets in tumor cells, providing a holistic assessment of patient tumors. This allows for improved therapy recommendations and expanded personalized therapy options for cancer patients.
Researchers found that calves fed solid feed near their milk supply consumed more solid feed, leading to improved weight gain and reduced stress. This study suggests optimal weaning strategies for dairy calves, benefiting their nutritional and health outcomes.
Two genes, ELF3 and GI, control a plant's internal clock, regulating the timing of flowering in response to daylight. The study provides insights into how plants anticipate environmental changes and breed better-adapted varieties.
Researchers show that hamsters infected with SARS-CoV-2 develop protective immunity against reinfection, while treatment with convalescent serum limits virus replication. The study demonstrates the potential of hamsters as a model for COVID-19 research and suggests a possible effective treatment using convalescent plasma.
Researchers at the University of Missouri found three common ethical issues in US presidential election press coverage between 2000-2016: failing to exercise independent judgment, underestimating new technologies, and failing to provide a representative picture of the electorate.
Researchers uncover how TANGLED1 controls microtubule movement, enabling accurate cell division in plants. This discovery could lead to improved crop yields and insights into human cellular processes, including cancer and Alzheimer's disease.
A recent study analyzed anonymized Facebook data from over 3m Italians to examine the impact of COVID-19 lockdowns on human mobility. The research found that while national mobility declined by an average of 70%, regional variations were significant, with some areas experiencing reduced mobility despite low COVID-19 cases.
A recent study by SWOG Cancer Research Network found that black cancer patients are more likely to be enrolled in taxpayer-funded clinical trials compared to industry-sponsored trials. The study analyzed data from over 93,000 patients across 358 trials and found a significant disparity in representation.
Researchers at Texas A&M University developed an analytical procedure to predict oil and gas flow in newly drilled wells using spreadsheet-based analysis. This method matches the accuracy of complex reservoir simulations but is much quicker and can be used by technicians with little training.
Scientists at Penn State have fabricated a 'photonic topological insulator' that can mediate interaction between photons and form self-sustaining wave patterns called solitons. This innovation could lead to more efficient lasers, medical imaging, and other photonic technologies.
A study from the University of Cincinnati found that HCV-positive livers can be safely transplanted into patients without the infection, and the virus can be eradicated. This breakthrough increases the chances of vital organ transplants for patients in need, addressing the shortage of available organs during the opioid crisis.
Researchers from the University of Helsinki found that genetic parallelism, a phenomenon where similar changes occur in different populations, is approximately 10-fold higher in the Eastern Pacific compared to the rest of the world. This suggests that the conditions for parallel evolution may be exceptional rather than common.
A highly sensitive blood test can accurately diagnose and classify different types of brain tumours without the need for tissue samples. This breakthrough has the potential to transform patient care by providing more accurate diagnosis, less invasive methods and better treatment planning.
Researchers at Max Planck Institute for Chemical Physics of Solids successfully realized chiral topological compound PtGa, exhibiting a high topological charge of 4. This property enables the generation of a large quantized photogalvanic current that can be manipulated by incident light polarization.
A team of scientists from the University of Portsmouth has developed a new forensic fingerprinting technique to lift finger-marks from pangolin scales, enabling wildlife crime officers to identify poachers and bring them to justice. The method uses gelatine lifters and has been successful in producing clear finger-mark detail on 74% of...
A pioneering study found specific genetic changes affect gut bacteria populations, paving the way for understanding disease causes. Researchers identified 13 DNA changes related to changes in gut bacteria presence or quantity.
Researchers at La Jolla Institute for Immunology have identified a key protein controlling T follicular helper cell (Tfh) differentiation. The protein Bcl6 acts as a master regulator in the immune system, blocking or promoting gene expression to control immune responses. This study opens the door to designing vaccines and therapies tha...
A study examines angular momentum constraints on the Moon's formation, revealing that high obliquity scenarios are incompatible with the present-day system. In contrast, low obliquity scenarios could explain how a fast-rotating postimpact Earth slowed to its present rotation rate.
Researchers estimate that the initial COVID-19 infection rate was undercounted due to testing issues and asymptomatic individuals. They found that excess ILI data showed a nearly perfect correlation with the spread of COVID-19, suggesting a much greater undiagnosed population than originally thought.
A new study reveals that ancient fish species Tanyrhinichthys mcallisteri, dating back 300 million years, exhibits features similar to modern sturgeons despite divergent evolutionary paths. The findings indicate multiple instances of convergent evolution, highlighting the adaptability of fish in response to environmental conditions.
A new study from the University of Pennsylvania found that critically ill COVID-19 patients are 10 times more likely to develop cardiac arrhythmias than other hospitalized patients. The researchers suggest that systemic illness, rather than the viral infection itself, is a primary trigger for these cardiac problems.
Researchers found that adult-born neurons in rats continue to grow and develop for a longer period than those born during infancy. The study suggests that these mature neurons may have distinct functions, contributing to brain flexibility and plasticity. Adult neurogenesis can occur even after the decline of this process in adulthood.
A new study from UNSW Sydney found that people with aphantasia, a lack of mental visual imagery, experience changes in other cognitive functions. They reported reduced ability to remember past events, have less vivid dreams and struggle with imagination. The research highlights the complexity of aphantasia and its impact on daily life.
A new study found that vitamin D supplements reduced the risk of colitis by 65% in patients receiving immune checkpoint inhibitors for melanoma. The findings suggest that vitamin D supplementation could be a safe and cost-effective approach to preventing immunotherapy's gastrointestinal toxicity.
Physicists at Heidelberg University have developed a new method to identify effective theories in many-body systems using quantum simulators. The approach allows for the efficient description of complex systems and has been demonstrated experimentally with ultracold rubidium atoms.
Research reveals the proportion of children born into care in England has risen from one in 400 to one in 200 over the past decade. This corresponds to a 48% increase in the number of babies being taken into state care, with regional disparities observed.
A Colorado State University-led study found that afforestation may not be as effective at removing excess carbon dioxide from the atmosphere as previously thought. The research suggests that ratios of soil organic carbon underneath afforested areas vary greatly across different ecosystems and climates.
A new mentoring model called Amplifying Voices created a supportive environment among underrepresented minority women in STEM, with participants agreeing that the virtual format was an effective way to discuss challenges and solutions. The study suggests that combining career-focused mentoring with empathetic psychosocial mentoring is ...
Researchers at UC San Diego School of Medicine discovered a new way to treat cancer by manipulating macrophages, immune cells found in tumor tissues. IRE1α, a molecule regulating the unfolded protein response, was shown to boost PD-L1 levels on macrophages, allowing tumors to evade the immune system.
Physicist Andrea Alù leads a team of researchers in developing a unified theory for exotic wave transport in engineered materials. The goal is to create new devices and breakthrough technology with applications in wireless communications, biomedical sciences, and energy harvesting.
Researchers at São Paulo State University developed a computational tool tracking COVID-19 growth rates across over 200 countries. The 'COVID-19 accelerometer' plots real-time growth curves to assess the effectiveness of public policies aimed at containing the pandemic.
Researchers have synthesized a porphyrin polymer that can capture precious metals from chemically digested electronic waste. The polymer, COP-180, shows high efficiency in capturing gold, with an estimated worth of $64 per $5 of the material.
Researchers studied a man with a rare degenerative brain disease who couldn't see numbers, finding his brain processed faces and words without awareness. The study suggests additional neural processing is required for awareness, which was impaired in the individual.
Researchers found that early-formed rocky exoplanets are more likely to develop plate tectonics, a condition favorable to life emergence. This implies that life in the galaxy might have started earlier than previously thought, with planets formed later facing less chance of supporting life.
A study found that digital literacy tips improved people's ability to discern between mainstream and false news headlines by 26.5% in the US and 17.5% in India. Regular reinforcement is needed for these lessons to be effective.
Adenovirus, a common cold virus, can disrupt the heart's electrical system, leading to arrhythmias and sudden cardiac death. Researchers used induced pluripotent stem cell-derived cardiomyocytes to confirm the virus's impact on the heart's ability to communicate with its neighbors.