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.