Researchers have identified key genes responsible for male sexual organs in two problematic agricultural weeds. Understanding these genes could lead to new ways to control the weeds' spread. Dioecy, a rare plant reproductive trait, allows the weeds to evade multiple herbicides and adapt to environments.
As telepsychiatry expands its services, patients in West Virginia show resilience in accessing care despite limited internet connections. The shift has enabled more accessible and convenient therapy sessions, potentially leading to better treatment outcomes.
A new molecular probe called FLiCRE allows researchers to tag, record, and control cellular functions in living animals. It uses blue light and calcium sensitivity to precisely control experiments, enabling the study of tens of thousands of cells at once.
A new study, MoTrMito, aims to identify molecular factors promoting positive mitochondrial change with exercise. The research will compare mitochondria responses between younger and older adults undergoing exercise training.
Optical tweezers have been extended to trap nanoscale particles by exploiting a particular property of light diffraction at the interface between a glass and a liquid. The device uses 'Arago spots' and 'total internal reflection' to confine particles in a donut-shaped wave, enabling precise manipulation without physical contact.
Farmers in Tanzania misuse fertilizers at low rates due to misconceptions about quality. A study found that appearance affects their willingness to buy, with poor-looking products commanding lower prices. The researchers interviewed farmers and recorded transactions to analyze the impact of physical appearance on fertilizer purchases.
UTA researchers resurrected preserved Daphnia eggs to investigate how species adapt to invaders, finding extensive genetic variation in responses to a novel predator. The team's work allows for real-time observation of evolutionary processes, shedding light on drivers of change in natural settings.
A Rutgers-led study finds that planning ahead for climate change can help protect marine species and commercial fisheries by setting aside parts of the ocean for conservation and fishing. Effective ocean planning can lead to better safeguards with few tradeoffs.
The Protein Society appoints John Kuriyan as Editor-in-Chief of Protein Science, building on his extensive contributions to understanding protein regulation and mechanisms. With expertise in structural analysis, computer simulations, and biochemical analyses, Kuriyan aims to unify protein-centered science and advance the field.
Marci Jerome of George Mason University received funding for the Virginia Consortium for Teacher Preparation in Special Education Adapted Curriculum, supporting students with disabilities and autism. The six-university consortium aims to reduce the state's critical low-incidence teacher shortage by providing education and internships.
A Clemson University researcher has discovered a new parasitic worm that negatively affects reproduction in the Caribbean spiny lobster. The worm, named Carcinonemertes conanobrieni, is believed to be the first of its kind to infect this species in the Caribbean and western Atlantic Ocean.
Researchers have discovered a new toxin-antitoxin system that allows bacteria to slow down their activity and thrive during periods of scarcity. The HEPN/MNT system, the most abundant TA system in prokaryotes, enables bacteria to conserve energy and resources by inhibiting toxin production.
A study of 1,226 individuals with Takayasu arteritis identified new genetic associations that can predict individual susceptibility to the disease. The researchers also discovered novel molecules and pathways that can be targeted for therapy, providing hope for developing more effective treatments.
A University of South Florida Health study reveals that flavored vaping products can disrupt the heart's normal electrical activity and increase the risk of cardiac rhythm disturbances. The study used cardiac cells and young mice to assess the toxicity of vape flavorings in cardiac cells.
Researchers used headphones to change sound of footsteps in real-time, finding participants walked faster with high-pitched sounds. Exposure to lemon-scented essential oils combined with high-pitched sounds made participants feel lighter than those exposed to vanilla scents.
Researchers analyzed data from over one million US adults and found a strong correlation between partisanship and social mobility behaviors. Republicans returned to social activities faster than Democrats after initial concerns about COVID-19 subsided.
A study by University of Illinois researchers found that beta-carotene's full health benefits require an active enzyme to produce vitamin A. The active enzyme BCO1 converts beta-carotene into vitamin A, which helps lower bad cholesterol and protect against atherosclerosis.
The sunflower sea star, a key predator in kelp forests, has suffered a dramatic 90.6% decline due to sea star wasting syndrome, resulting in an estimated 5.75 billion animal deaths and nearly complete population loss in the contiguous US and Mexico.
Researchers used symbolic regression to explain why some species exist in certain regions and the number of species on islands increases with age, peaking at intermediate ages. This breakthrough proposes that explainable AI is a promising field for human-machine cooperation in ecology
Several types of consumer-grade and modified masks showed high filtration efficacies, rivaling those of N95 respirators. The study evaluated the effectiveness of various mask designs, materials, and modifications to determine their ability to block airborne particles carrying SARS-CoV-2.
Researchers at FAU have achieved a record resolution of 7 nanometres in X-ray microscopy, allowing for direct imaging of nanostructures. This breakthrough enables significant advances in research into nanostructures, solar cells, and magnetic data storage.
Researchers found that mass extinctions of land-dwelling animals, including amphibians, reptiles, mammals, and birds, coincide with major asteroid impacts and devastating volcanic outpourings of lava. The study suggests that these periodic events may be triggered by comets and are linked to the Earth's orbit in the Galaxy.
A new analysis in The Lancet Planetary Health finds that innovations to fix the food system could backfire, leading to increased deforestation and environmental degradation. The study highlights the need to anticipate trade-offs when introducing new technologies to improve human health and the planet.
A study has identified five genes associated with severe COVID-19, which could lead to the development of new treatments. The genes, IFNAR2, TYK2, OAS1, DPP9 and CCR2, are involved in antiviral immunity and lung inflammation processes.
Researchers have isolated sensory hairs from the Venus flytrap and identified genes that convert mechanical stimuli into electrical signals. The discovery sheds light on how plants can detect and respond to touch, revolutionizing our understanding of plant biology.
Studies show anaesthetists and intensivists have less than half the risk of infection from COVID-19, while front-line nurses and housekeeping staff are more at risk. The analysis also finds that deaths among anaesthetists are disproportionately low compared to expected numbers.
Researchers from the University of Würzburg have discovered that certain genes are responsible for the development of male ornaments, including the iconic swordtail fin. These genes play a crucial role in sexual selection and may have evolved to enhance mating success.
A study published in JAMA Network Open found that young adults with higher levels of perceived social support reported lower levels of depression and anxiety symptoms one year later. This suggests that promoting and leveraging social support can be beneficial for mental health outcomes.
A joint research led by City University of Hong Kong has built an ultralow-power consumption artificial visual system to mimic the human brain. The device achieves a record-low energy consumption down to sub-femtojoule per synaptic event, outperforming human brain synapses.
A novel cathode design concept has been proposed to improve the performance of lithium-sulfur (Li-S) batteries, which are considered attractive alternatives to lithium-ion batteries. The new design eliminates the polysulfide shuttle effect, reducing the battery's life cycle and increasing its energy density.
A study published in Cell Reports identified a protein called SHP-1 as a key player in the Leishmania parasite's evasion of the human immune system. By activating SHP-1, the parasite can limit the capacity of dendritic cells to present antigens, thereby preventing autoimmune disorders and protecting itself from an immune response.
Researchers have developed a new computational method called Wasserstein-induced flux (WIF) to validate the accuracy of images in scientific research. WIF provides statistical confidence that specific data points in an image are accurate, enabling scientists to evaluate model performance and improve their models.
A new survey-based study found that political partisanship has a significant influence on individuals' decisions to limit their social mobility during the COVID-19 pandemic. The analysis suggests that partisanship is roughly 27 times more important than local COVID-19 prevalence in explaining individual mobility.
A study of 6,769 people from 77 countries found that those under strict lockdowns were more likely to experience depression and anxiety. Access to outdoor spaces and views of nature reduced symptoms during lockdowns, particularly in areas where people were not allowed to visit parks.
Scientists have long wondered how tropical species diversity formed and is maintained. A new study provides conclusive evidence that tropical biodiversity hotspots are linked to moderate and stable climates. Researchers found that species-rich regions in the tropics contain diversity accumulated during a protracted evolutionary period.
A team of scientists has achieved strong tricolor photoluminescence (PL) in non-photoluminescent pyrochlore Ho2Sn2O7 under high-pressure treatment. The PL is retained and largely enhanced after pressure release, with the potential applications for pressure threshold sensors on extreme conditions.
The Luxembourg Institute of Health (LIH) research team discovered a key regulator, ZFAND3, that drives glioblastoma invasion by activating specific genes. Deactivating or overexpressing ZFAND3 in GBM cells impaired or enhanced their invasive capabilities, respectively.
A new study suggests that teaching sexual consent using a continuum style approach helps young people develop a better understanding of sexual rights and ethics. The approach was tested in workshops across seven educational institutes and found to be effective in promoting positive sexual ethics.
Researchers from KAIST and Florida State University developed a model describing PER molecule motion in cells, showing how aging and diseases disrupt circadian rhythms by hindering condensation around the cell nucleus. This leads to irregular sleep-wake cycles and unstable rhythms.
ReceptorNet, a deep-learning algorithm developed by Salesforce Research, can determine hormone-receptor status from inexpensive tissue images, improving treatment decision-making for breast cancer patients. This technology has the potential to make high-quality therapies more accessible globally.
The combination of baricitinib and remdesivir reduced median time to recovery in hospitalized COVID-19 patients from eight days to seven days. Patients who required high-flow oxygen or non-invasive ventilation during their hospitalization showed the largest benefit, with a significant improvement in condition at day 15.
A study published in the Journal of Palliative Medicine found that 95.5% of individuals who died with a COVID-19 diagnosis in the Mass General Brigham health system between February and May 2020 did so in the hospital. The majority of these deaths occurred in the intensive care unit.
A study found that patients who climbed four flights of stairs in less than 40-45 seconds achieved more than 9-10 METs during exercise testing, while those who took 1.5 minutes or longer achieved less than 8 METs. This correlation suggests a simple way to assess heart health outside of traditional exercise testing.
Scientists at the University of Tokyo used molecular dynamics calculations to simulate glass-forming ability of metallic mixtures. They found that even small changes in composition can disrupt crystallization and lead to glassy states upon cooling. This breakthrough may lead to a universal theory of glass formation and cheaper, more re...
The COVID-19 pandemic has accelerated the adoption of virtual therapy, allowing clinicians to transition outpatient behavioral-health visits to telepsychiatry. Despite initial concerns about connectivity issues, most patients adapted effectively, with only 10-15% experiencing problems. This expansion may become part of the new normal, ...
Only 1.8% of US obstetrician-gynecologists have an X-waiver, allowing them to prescribe buprenorphine for opioid addiction. Rural areas and cities with high neonatal abstinence syndrome rates have higher X-waiver rates among OB-GYNs.
Speleothems from Swiss Alps reveal a significant difference in temperatures between lower and high altitudes during the Last Interglacial. Temperatures were up to 4 degrees higher at high alpine regions, indicating an altitude-dependent warming effect.
A study published in Journal of the American College of Surgeons found that financial toxicity among breast cancer patients is independently associated with worse psychological well-being. Even small improvements in financial pressure can lead to better mental well-being and higher patient satisfaction with breast reconstruction.
Researchers identified VRK1 as a key player in tumour growth and proliferation. Inhibiting this protein may be a new strategy for treating aggressive neuroblastoma, a childhood cancer with poor survival rates.
Researchers are developing a flexible simulation-based outer-loop application tool for resilient power grid planning and optimization. The tool leverages scalable parallel processing, adaptive computing budget allocation, and scientific machine learning to predict and respond to disturbances.
Researchers at Heidelberg University observed a phase transition with six atoms, showing signatures of a superfluid state. This finding reveals the emergence of collective behavior in microscopic systems.
Researchers at Drexel University have developed MXene-coated fabrics that block electromagnetic waves and radiation, exceeding the performance of commercial metal-coated fabrics. The materials can be sustainably produced by coating form aqueous solution without extra processing or chemical additives.
Researchers develop model showing group polarization rises with economic decline and rising inequality. Strengthened social safety nets can help minimize conflict across groups.
Brown fat, a biological fuel that increases metabolic rate and decreases fat storage, continues to grow and divide after birth, according to Masonic Medical Research Institute researchers. This finding has major implications, as scientists can try to increase brown fat cells to prevent or reduce obesity.
Researchers at Imperial College London used AI to optimize plasma accelerator parameters, improving performance and reducing the need for human intervention. The algorithm achieved optimal results faster than human operators, paving the way for compact and affordable accelerators with various applications.
A novel multiple-cell cavity design, dubbed 'pizza cavity,' has been developed to address the challenges of searching for axion dark matter in high-frequency regions. The new design improves detection efficiency and allows for faster scanning of frequency ranges compared to conventional methods.
Researchers discovered that backbone structure is key to lab-made protein thermostability, contradicting earlier assumptions about hydrophobic core packing. This breakthrough opens doors to designing even more stable proteins for various industries.
Researchers successfully rebuilt a whole functioning human thymus from human stem cells and bioengineered scaffolds. The breakthrough could lead to new techniques for growing artificial organs and treating severe immune deficiencies.
Researchers at UCLA have discovered a gene called PACS-1 that is overexpressed in cancer tissues, which can lead to cancer growth and spread. Higher levels of PACS-1 expression in the nucleus may indicate resistance to chemotherapy and radiation treatments.
The COVID-19 pandemic is diverting funding and expertise away from other dangerous diseases, putting clinical trials on indefinite hold. Global health experts warn of a long-term harm to the field due to budget constraints and talent redirection.
A recent study by Oregon Health & Science University researchers found that NBA teams perform significantly better at home due to the alignment of their internal body clock with the new time zone. This is attributed to disruptions in sleep quality caused by traveling across time zones, which can impact accuracy and impair performance.
Researchers have developed a renewable energy-driven food processing and drying system that alleviates both pollution and landfill issues. The system uses high temperature thermal energy storage to provide heated air for drying, replacing fossil fuels and reducing air pollution.
Researchers have identified biosynthetic genes involved in producing usnic acid in lichens, a compound showing antiviral, antioxidant and antibacterial activity. The study reveals why some lichens lack this compound and identifies new biosynthetic genes with unknown functions.
A portable saliva-based smartphone platform provides COVID-19 test results within 15 minutes, comparable to established laboratory tests. The approach uses a fluorescence microscope readout device paired with a smartphone to detect viral load from a CRISPR/Cas12a assay.
Researchers at Texas Biomed will study the effects of cannabinoids on Human Immunodeficiency Virus (HIV) associated neurocognitive disorder (HAND), with a focus on delta-9-tetrahydrocannabinol (THC) and Cannabidiol (CBD). The goal is to develop better therapeutic options for HIV patients suffering from HAND.
Research at the University of Chicago found that pre-existing flu immunity shapes antibody responses to influenza infections and vaccinations. The quality of these responses differs between individuals who are vaccinated or naturally infected, with vaccinated individuals generating more adaptable antibodies that target conserved regions.
A no-deal Brexit may lead to exclusion of the UK from 24 European Reference Networks, which provide specialized care for patients with rare diseases. The networks have improved patient outcomes and collaboration among experts; their removal could diminish access to clinical trials and funding.
Researchers created a database of measurements from existing global power grid systems to develop new power systems capable of meeting changing demands. The publicly available data can be used worldwide to design and test new energy concepts in response to current and future challenges.
The newly discovered Carolina Sandhills Salamander boasts distinct genetic and physical traits, setting it apart from other two-lined salamander species. Its restricted range in the Sandhills region of North Carolina underscores the importance of preserving this unique ecosystem.
A nationwide registry study found frequent low blood pressure episodes during hemodialysis associated with a higher incidence of diagnosed peripheral arterial disease. Patients experiencing more intradialytic hypotension may warrant careful examination for PAD.
Researchers created a biohybrid artificial retina with silk fibroin and retinal cells, which can adhere to the eye's surface and facilitate integration. The new technology holds promise for treating Age-Related Macular Degeneration (AMD), an incurable disease affecting over 196 million people worldwide.
A research team led by Prof. Gordon Cheng aims to develop a 'soft' exoskeleton that can sense user movement intentions and provide real-time feedback, integrating with brain-machine interfaces. The goal is to create an exoskeleton that works as an extension of the human body, enabling users to control their movements with their minds.
A study published in Frontiers in Marine Science reveals that fan mussel larvae can disperse from unaffected populations, potentially aiding the recovery of an endangered species. The larvae can travel hundreds of kilometers thanks to ocean currents and play a crucial role in the species' survival.
A team of scientists has discovered that muscle fibers contain a surprising variety of nuclei with distinct gene expression patterns. This finding could help better understand muscle diseases such as Duchenne muscular dystrophy and shed light on the underlying mechanisms of cellular function.
West Virginia University and the West Virginia Department of Health and Human Resources have teamed up to create a new testing laboratory at the Health Sciences Center. The lab will provide faster results, reduce costs, and support the demands of the state and university community.
The Medical Society Consortium on Climate and Health aims to empower doctors to convey climate change's impact on health. The consortium engages medical society members and partner organizations to present climate change as a health issue.
Researchers at Uppsala University have developed a new analysis method that can predict the risks and effects of immunotherapy drug Rituximab. The study found differences in how the drug interacts with healthy individuals versus patients with chronic lymphocytic leukemia, providing valuable insights into individual responses to treatment.
A study by University of Oregon researchers found that children aged 3 prefer visual fractal patterns, similar to adults, indicating an early development of this preference. The study suggests that exposure to Euclidean geometry in childhood may shape this preference.
Researchers at the University of South Australia have made a breakthrough in treating post-stroke depression using high-frequency brain stimulation. The study found that large doses of repetitive transcranial magnetic stimulation (rTMS) significantly improved low moods by increasing brain activity.
Advanced metal alloys are crucial in modern life, but creating new ones with specific properties has been limited by researchers' understanding of grain boundary behavior. A team at MIT used computer simulations and machine learning to predict alloy properties, showing that many previously ruled-out combinations are feasible.
Research reveals that an imbalance in gut bacteria can cause depressive-like behaviors by reducing essential lipid metabolites. Transferring healthy gut bacteria from one animal to another can restore normal brain function and alleviate depression.
The new risk calculator estimates mortality risk for individuals and communities, considering sociodemographic info and medical history. The tool will help public health authorities prioritize vaccination for high-risk groups, such as those with preexisting conditions or from vulnerable ethnic backgrounds.
Researchers identified two inflammatory pathways involving complement and the inflammasome that promote abnormal blood vessel formation in wet AMD. Blocking these pathways, including essential proteins of the inflammasome, may lead to improved therapies for this common blinding disease.
A new study suggests that most rectal cancer patients can replace aggressive surgery with radiochemotherapy and close surveillance, with a low risk of tumor regrowth. Almost 70% of patients who underwent the 'watch and wait' protocol remained cancer-free for years, making intensive follow-up possible.
A recent study by an international team of researchers has discovered a novel link between tRNA fragments and the immune response following stroke. The findings suggest that tRNA fragments may replace microRNAs in monocytes, regulating homeostasis and potentially working in synergy.
Researchers from the University of Queensland found that a vitamin D deficiency during pregnancy caused an increase in testosterone levels in male rats, potentially contributing to the higher prevalence of Autism spectrum disorder in boys. Vitamin D plays a critical role in brain development and may help prevent ASD-like traits when su...
KAIST researchers have synthesized nanoparticles that emit multiple wavelengths of light from a single particle, allowing for the control of these particles' properties and creation of environmentally responsible displays and lighting. The discovery also sheds new light on the mechanisms governing the optical properties of carbon dots.
Researchers investigating long-term effects of Covid-19, dubbed 'long Covid', are testing a tailored online exercise and support programme to improve quality of life. The REGAIN trial aims to recruit 535 participants and compare the benefits of an eight-week programme versus a single session of advice and support.
Researchers created artificial liver organoids from zebrafish cells, allowing for chronic toxicity testing in a shorter time. This alternative method to animal testing may replace traditional zebrafish tests without ethical issues.