Researchers analyzed polar bear fecal samples and dietary intake to understand how chemical contaminants accumulate inside the body. They found that polar bears store high amounts of fat, leading to higher levels of toxins in their bodies.
A major study found COVID-19's toll on global cardiac services, revealing a 'substantial global decline' in hospital admissions of cardiovascular patients. The pandemic led to increased delays in treatment, resulting in more deaths and complications, with low-income countries facing the worst impact.
Researchers at TU Wien develop a method to guide individual cells with laser precision, enabling reproducible production of artificial tissue and testing new drugs without animal testing. The technique involves adding special molecules to hydrogel surrounding cells, which become softer and more permeable when activated by a laser beam.
Academics argue AI systems like DABUS need new IP laws as existing ones are inadequate to deal with cases where machines are named sole inventors. The authors recommend introducing a new 'AI-IP' form of law that would be specifically tailored to AI-generated inventiveness, addressing ownership and novelty issues.
Residents of Ontario retirement homes have high rates of hospital-based care compared to long-term care facilities and community-dwelling individuals. They have double the rate of emergency department visits and hospital admissions as LTC residents, but lower rates of primary care visits.
A recent study found that global warming is likely to increase the frequency of strong Western Pacific Subtropical High events, leading to enhanced flood risk in East China. This is due to increased sensitivity of rainfall and atmospheric convection to sea surface temperature variability under warmer climates.
Ian David Hickson will present his research on chromosome instability and its role in driving human disease, with a focus on developing novel therapeutic strategies to target difficult-to-treat cancers. The conference aims to bridge clinical, academic, and commercial research to find practical solutions to extending healthy lifespan.
Researchers at Ural Federal University have synthesized a proton conductor with high electrical conductivity, which could become the basis for solid oxide fuel cells. The new material is potentially cost-effective and exhibits higher electrical conductivity than other solid-state conductors.
A new study provides a globally consistent dataset identifying opportunities for increased carbon storage on land to address the climate crisis. The research offers an actionable framework for facilitating climate-smart restoration land management strategies, with forests and soils showing significant potential for expanding land-based...
Researchers at Georgia State University have been awarded over $6 million to develop antiviral drugs targeting COVID-19 and other viral threats. The funding will support the establishment of a new Midwest Antiviral Drug Discovery Center, which aims to build a pipeline of antiviral drugs.
A University of Utah and New Zealand study reveals that CO2 deep underground allows magma to avoid being trapped, reaching the surface and pooling into persistent lava lakes. This finding expands our understanding of magma sources and transport to the surface, particularly in rift volcanoes.
Research at Lund University found that ostriches are sensitive to fluctuating temperatures and lay up to 40% fewer eggs if the temperatures rise or fall by 5 degrees. The study also revealed a genetic trade-off between heat and cold tolerance, meaning that increased heat tolerance comes at the cost of decreased cold tolerance.
A recent study found that viral infections can significantly impact cyanobacterial populations, which produce half the world's oxygen. Researchers discovered a 2017 outbreak in the North Pacific Ocean, where Prochlorococcus populations declined by 17°C due to increased viral infection.
Researchers have developed a coating material that can be written on using UV light and erased again using oxygen, enabling reusable/rewritable surfaces in various applications. The material exhibits high contrast and stability, with up to 50 write-erase cycles possible without notable loss of contrast.
Researchers at UNIGE found that olfactory neurons change their identity based on expressed receptors and past experiences. The study reveals a wide range of identities among these neurons, which adapt rapidly to different levels of stimulation.
A team of engineers and biologists at the University of Surrey created nanoparticles that mimic chlorophyll's light-absorbing properties with high efficiency. The new approach shows promise for future high-efficiency solar panels, potentially ditching toxic materials used to maintain intensity.
A major international study reveals the significant impact of COVID-19 on cardiovascular services worldwide, with a substantial decline in hospital admissions and increased mortality rates. The study warns that problems with heart health will continue to accrue unless mitigation strategies are implemented quickly.
Researchers from CiQUS and Karolinska Institutet develop a new immunotherapeutic approach against cancer by blocking adenosine A2B receptors. The study demonstrates that this blockade reactivates the immune system, restoring its effectiveness against tumors.
The Frontier supercomputer has achieved an unprecedented level of computing performance, breaking the exascale barrier with 1.1 exaflops of performance. This milestone enables scientists to tackle previously unsolvable problems in fields like energy and national security.
Researchers found that beekeepers are aware of the Asian yellow-legged hornet's impacts on honey bee decline in Italy. Public awareness is increasing due to various channels such as internet searches and community activities. The hornet poses significant risks to pollination, honey production, and human safety.
A new platform and genomic database has been developed to monitor and control multidrug-resistant bacteria, with over 500 human pathogens already available. The database aims to provide strategic information on microorganisms classified as a “critical priority” by the World Health Organization.
Researchers at Lancaster University have created a camera-like device that captures images of mini whirlpools in quantum liquids for the first time. The camera uses particle-like disturbances to take pictures of collections of vortices, which are unpredictable and form in specific patterns above a vibrating wire.
Researchers found that severe asthma patients produce growth factors that block corticosteroids from working, leading to frequent breathing problems. This discovery may lead to new treatments targeting these growth factors to improve outcomes for patients with severe asthma.
Researchers developed an ultrasound-guided cancer immunotherapy platform that generates systemic antitumor immunity and improves immune checkpoint blockade efficacy. The Microbubble-assisted UltraSound-guided Immunotherapy of Cancer (MUSIC) approach demonstrated complete tumor eradication rates of up to 60% in breast cancer models.
Alzheimer's disease causes cells to overheat due to amyloid-beta aggregation, which can lead to more aggregates forming. The researchers found a drug compound could stop this process, potentially leading to new treatments.
A cobalt-chromium-based alloy has been developed to mimic the flexibility of human bones and exhibit excellent wear resistance, addressing issues with conventional implant materials. The new biomaterial could be used for hip or knee joint replacements and bone plates.
A study published in Journal of Psychopharmacology found that consuming up to 1500mg of CBD daily has no impact on driving abilities. The research involved 17 participants who completed simulated driving tasks after taking different doses of CBD, with no dose inducing feelings of intoxication or impairing cognitive performance.
Pharmaceutical scientist Hans Lennernäs will collaborate with JGU's Peter Langguth to investigate ways to mitigate chemotherapy side effects. The goal is to identify active substances that can counteract adverse reactions and develop effective drugs.
A new ultra-thin electrode material has been developed to control the electrical properties of two-dimensional semiconductors. This breakthrough enables the creation of high-performance logic circuits with improved power efficiency, paving the way for next-generation system technologies like artificial intelligence.
Researchers found that the more popular a name becomes, its future popularity declines, while rare names rise to higher frequency. Similarly, dog breeds with lower popularity today were once trendy, suggesting boom-bust cycles drive diversity in naming choices and canine preferences.
A study by researchers at the University Liège has unravelled the evolution of mosasaurs in the late Cretaceous, revealing a decline in morphological diversity and ecological innovations in certain regions. The research uses high-resolution 3D scans of mosasaur skulls to draw precise conclusions about their hunting and movement abilities.
Researchers developed a biopolymer film that combines anti-bacterial properties, inflammation dampening, and release of active pharmaceutical ingredients in a targeted manner. The film adheres to sensitive surfaces without damaging tissue, speeding up healing process and completely dissolving by itself.
A cohort study found that moderate coffee consumption, especially unsweetened coffee, is associated with a lower risk of death. The results suggest that adults who drink 1.5 to 3.5 cups of coffee per day may be less likely to die during a 7-year follow-up period compared to non-coffee drinkers.
Researchers propose a novel gravitational-based storage solution using lifts in tall buildings to store energy. The system, called Lift Energy Storage Technology (LEST), stores energy by lifting wet sand containers or other high-density materials.
Researchers find that cooperative breeding in animal societies increases survival chances of carers, leading to higher reproductive success. The study also reveals the relative importance of kin selection and individual selection varies depending on environmental conditions.
Between 2017 and 2019, more than 1 million US youth aged 14 to 17 years became new daily tobacco users, with three-quarters of them vaping e-cigarettes daily. The majority of these young users were introduced to JUUL products, which had high nicotine concentrations and youth-appealing flavors.
New research suggests vitamin D can effectively prevent ovarian cancer by restoring the body's natural defenses. The study found that vitamin D counteracts the process of peritoneal metastasis, which allows cancer cells to spread, and strengthens the barrier effect of mesothelial cells.
A study found that COVID-19 disrupted RSV's seasonal pattern, leading to a 'collapse' of existing strains and emergence of new ones. The pandemic also accelerated the spread and evolution of other viruses like influenza.
Excess deaths in Canadian provinces from March 2020 to October 2021 showed wide variability, with Quebec having the highest COVID-19 mortality rate and Prince Edward Island and Nova Scotia having the lowest. The article calls for better data management to prepare for future health crises.
Researchers from the University of Gothenburg estimated that fjord emissions are comparable to global deep ocean methane emissions. Fjords produce high amounts of methane due to anoxic environments and mixing events during stormy weather.
Researchers found that neurons in the fly's lateral horn play a crucial role in evaluating individual odors and mediating odor-guided behavior. The study identified glutamatergic neurons as key players in this process, which enables flies to recognize good or bad odors.
Scientists have discovered that certain metals found in people's urine could be potentially useful clinical biomarkers for the early detection of acute kidney injury (AKI). The study, which was led by experts from the University of Nottingham, found that concentrations of these metals rose in urine within an hour after cardiac surgery ...
Researchers have confirmed a globally rare manta ray nursery in the Raja Ampat islands in Indonesia, providing critical insights into juvenile reef manta rays' behavior and habitat. The discovery is expected to inform conservation efforts and protect this endangered species.
Researchers from Prof. Martin's group at ICIQ develop a new strategy to create organic molecules of pharmacological interest using ketones as alkyl cross-coupling synthons. The method provides flexibility and mild reaction conditions, making it suitable for the synthesis of various organic molecules.
Researchers developed a new method to study alpha oscillations under stress and pain, identifying specific parts of the head where waves slow down during painful conditions. The study aims to pave the way for further research on pain generation within the brain.
Researchers from NICT demonstrated a record-breaking 1.02 petabit per second transmission capacity in a 4-core MCF with a standard 0.125 mm cladding diameter, exceeding 20 THz optical bandwidth with 801 parallel wavelength channels.
A recent study published in Pharmaceutics suggests that berberine can suppress the proliferation of lung cancer cells, reduce airway inflammation, and modulate genes involved in inflammation. The researchers used liquid crystalline nanoparticles to enhance safety and effectiveness.
The MIT team developed wavelength-induced frequency filtering (WIFF), a novel photonic technique that dramatically improves fluorescent sensor signals. This allows for the implantation of sensors as deep as 5.5 cm in tissue, enabling applications such as tracking specific molecules inside the brain or monitoring drug effects.
This study shows how specific brain regions control the immune response during acute stress, highlighting the detrimental effect on fighting off infection. Researchers found that acute stress prompts a major migration of immune cells, diminishing an immune response to viruses like COVID-19 and influenza.
Research describes how breast cancer cells impair pancreatic islet function to suppress insulin production, leading to diabetes and increased tumor growth. The study identifies microRNA-122 as a key player in this process.
A survey of hospital staff in two Swiss hospitals found that those who were hesitant or refused vaccination displayed higher impatience and lower expectations for public vaccination rates. This has implications for future health campaigns, as medical staff serve as role models for the general public.