A recent study by UC Berkeley and Missouri State University scientists found that East African sunbirds have retained their songs for over 500,000 years, with some changes occurring in pulses. This discovery suggests that environmental stability may constrain the evolution of social signals like song.
Researchers at TUM and MPIMG decipher the molecular mechanisms responsible for deactivating genes in genomic imprinting. By removing known epigenetic 'off switches', they discovered that DNA methylation and Polycomb enzymes play a crucial role in silencing genes.
Researchers explore circular economy approaches to improve battery recycling efficiency and purities of raw materials. A promising approach is 'Design for Recycling', which aims to standardize screw connections and design materials for automated disassembly and reduced solvent use.
Scientists at WEHI have produced the first molecular images of RNF216, an enzyme controlling protein signalling in human cells. The discovery sheds light on its role in a rare group of hereditary neurodegenerative diseases, including Gordon-Holmes Syndrome.
A retrospective study found that whole-spine MRI commonly demonstrates isolated thoracolumbar injuries in children with suspected abusive head trauma. The study included 256 children who underwent whole-spine MRI as part of their evaluation, revealing that 23% of examinations showed injuries localized to the thoracolumbar spine.
Regrowing healthy cartilage in damaged joints is a promising approach to treating arthritis. UConn bioengineers successfully regrowed cartilage in a rabbit's knee using piezoelectricity, a phenomenon that also exists in the human body.
A research team at the Beckman Institute for Advanced Science and Technology developed a chemical process to mimic trees' vascular systems in foamed polymers, adding structure and enabling directional fluid transport. The team discovered that increasing or decreasing gelation time enables direct control over the foam's cellular structure.
Researchers developed a novel analytical method using near-infrared spectroscopy (NIRS) and data fusion technology for accurate crop quality detection. The method, published in Analytica Chimica Acta, uses the fusion of NIRr and NIRt spectra to predict rice flour constituents with higher accuracy.
A team of scientists analyzed plant family diversification and found it occurred about 20 million years ago, following a global drop in atmospheric CO2. Low CO2 concentrations triggered water loss through stomatal pores, creating an environment favorable to grasslands.
A new study found that people experiencing increased stress, anxiety, and depression during the pandemic were more likely to contract Covid-19 and experience severe symptoms. The research, led by Professor Kavita Vedhara, suggests that psychological distress may be a significant factor in increasing susceptibility to viral respiratory ...
Researchers have discovered a new pathway of cell death, lysoptosis, which can be triggered in cervical cancer cells by the absence of SERPINB3 protein. This process is different from apoptosis and can be activated by chemotherapy and radiation stress.
A new platform uses machine learning to design and build transformable, inflatable systems with potential applications in medicine, architecture, robotics, space travel, and more. The researchers used finite element simulations and neural networks to learn how to control the deformation of membranes when pressurized.
Researchers at Friedrich-Schiller-Universitaet Jena investigated how people with cochlear implants perceive vocal emotions. They found that the group with cochlear implants showed lower scores overall in recognizing emotional nuances, but some individuals could effectively utilize timbre to distinguish between fearful and angry voices.
A new ultra-rapid genome sequencing approach helps diagnose rare genetic diseases in an average of eight hours, revolutionizing clinical care. The technique, developed by Stanford Medicine scientists, achieves a diagnostic rate of approximately 42%, significantly higher than the standard rate for diagnosing mystery diseases.
The regent honeyeater's population is on track to decline to fewer than 300 individuals due to habitat loss and predation. To save the species, conservation efforts must focus on protecting nests from predators, increasing zoo-bred bird releases into the wild, and preserving and restoring habitats.
A new paper proposes a novel mechanism for detecting gravitational waves at lower energies, expanding the scope of the upcoming LiteBIRD mission. This could provide insights into the physics of the early Universe and test inflationary scenarios operating at lower energies.
Scientists at the University of Missouri discovered that bisphenol A (BPA) exposure during pregnancy can negatively impact fetal brain development. MicroRNAs in the placenta play a key role in regulating cellular functions, including neural development. Researchers believe that microRNA packages could reach the brain through the placen...
Researchers have discovered that some methanogenic microbes can divert carbon flux from methane production to acetogenesis, a previously unknown anabolic pathway. This finding challenges the long-held assumption that all methanogens are obligate methanogens.
A new study found that certain brain wave patterns during sleep can be used to diagnose dementia and other cognitive impairments. The study identified parameters for automated detection methods, which were linked to fluid intelligence and declined during early stages of dementia.
Osaka University researchers have developed a highly active and durable metal-phosphide catalyst for the deoxygenation of sulfoxides. The catalyst shows wide substrate applicability and can deoxygenate structurally complex drug intermediates in high yields.
The Sanford Children's Genomic Medicine Consortium has initiated a whole genome sequencing research project to investigate undiagnosed illnesses in children with suspected inborn errors of immunity. The study aims to sequence the genomes of up to 25 patient genomes and learn information that can benefit patients and others.
A new study suggests that regular exercise can slow the progression of Parkinson's disease in people with early-stage symptoms. Those who engaged in moderate exercise for at least four hours a week experienced less trouble balancing, walking, and performing daily activities over time.
A new study reveals that the US has played a significant role in the trafficking of tiger parts, with San Francisco, Dallas, and Atlanta emerging as major entry points. The research suggests that the scale of trade may have been underestimated, with seizures of illegal tiger products totaling 292 during 2003-2012.
A study by University of Barcelona and University of Montpellier researchers reveals that mutations in the disordered region of Src protein inhibit its oncogenic capacity in colon cancer cells. This finding suggests a novel layer of regulation by this unique region, providing new insights into malignant cell transformation.
Researchers at Brown University have discovered a new type of strange metal behavior in bosonic Cooper pair materials, challenging traditional electrical rules. This discovery may help explain high-temperature superconductivity and its potential applications.
E-cigarette medicinal licensing may help smokers quit, but its effectiveness and societal risks are debated. Critics argue that licensed e-cigarettes could weaken sustainable cessation strategies and distract from other efforts to achieve the UK's smoke-free goal by 2030.
Research from LSU and University of Florida found a correlation between lunar phases and shark attacks, with more incidents occurring during periods of higher illumination. The study analyzed global data from the International Shark Attack File and suggests that lunar forces may play a role in shark behavior.
A study suggests that nearly 60 percent of the risk associated with coronary artery disease may be explained by changes in hundreds of genes working together in networks across several organs. Fat processing hormones may play a central role in coordinating this activity.
A new study from UC Berkeley suggests that copper in soil and seawater acts as a catalyst for producing two potent halocarbon compounds that destroy ozone. The compounds, methyl bromide and methyl chloride, are major contributors to stratospheric ozone depletion and have puzzled scientists for over 20 years.
Research from the University of Virginia Health System found that long-term use of ACE inhibitors and angiotensin receptor blockers can lead to hardened kidney vessels. The drugs, commonly prescribed for high blood pressure and heart failure, were associated with damage in both lab mice and humans.
A team of researchers led by Alexis Andrés analyzed 15 years' worth of data from NASA's Swift Observatory to find that Sagittarius A*, the black hole at the center of the Milky Way, flares irregularly both day-to-day and in the long term.
A recent review highlights the devastating impact of permafrost thaw on infrastructure in the Arctic region, with damages ranging from less than 10% to as high as 80%. The region's transport and pipeline networks are particularly vulnerable, with costs projected to exceed 30 billion euros by 2060.
Researchers at the University of Iowa have identified neural circuits in fruit flies that remain resilient to aging, while others weaken. These findings hold promise for understanding genetic pathways and environmental factors contributing to healthy aging in the brain.
New research by Northwestern University found that reactivating memories during sleep significantly improves face-name learning. The study also discovered that uninterrupted deep sleep is crucial for this improvement.
Astronomers have discovered a binary system consisting of a rapidly spinning neutron star and the precursor to an extremely-low-mass white dwarf, dubbed a 'cosmic spider'. The system emits powerful gamma-rays and has been observed using the SOAR Telescope in Chile.
Survival rates for adult patients with relapsed acute lymphoblastic leukemia (ALL) after hematopoietic cell transplantation have increased significantly over the past two decades. The two-year overall survival rate rose from 27.8% in 2000-2004 to 54.8% in 2015-2019, despite a significant increase in patient age at relapse.
Researchers at the University of Central Florida found that face masks can reduce airborne pathogens' travel distance by more than half, suggesting they can effectively prevent airborne diseases. The study's findings could aid in managing responses to pandemics like COVID-19.
A team of researchers used neural network data to study grid cell activity in the brain, finding that collective neural activity is shaped like a torus, or doughnut. The study provides new insights into how large networks of neurons produce properties that cannot be inferred from individual cells.
A team of researchers has developed a new technique to embed single atoms in silicon wafers, mirroring methods used to build conventional devices. The technique creates large-scale patterns of controlled atoms that can be manipulated and read out, enabling the construction of large-scale quantum devices.
A new study from USC researchers sheds light on COVID-19 vaccine inequities in California, revealing disparities in vaccination rates among vulnerable populations. The study suggests that targeted community outreach and improved vaccine access can help reduce these disparities.
A new cloud-based platform called AnVIL grants easy access to one of the world's largest genomics databases, providing thousands of analysis tools and over 300,000 genomes. Researchers can now collaborate effortlessly, without the need for massive data downloads, and make exciting new discoveries
A new study from the University of Pennsylvania School of Nursing found that injured Black men from disadvantaged neighborhoods experience higher mortality rates and psychological symptoms due to their environmental surroundings. The study emphasizes the need for intervention at critical windows of care, including better communication ...
The American Society for Radiation Oncology (ASTRO) has released a new clinical guideline outlining the use of external beam radiation therapy (EBRT) to treat adult patients with primary liver cancers. The guidelines emphasize multidisciplinary care and provide evidence-based recommendations on indications, dosing, techniques, and trea...
The study reveals that the region within Io's orbit is dominated by oxygen and sulfur ions, with oxygen prevailing among the two. Further inward, within Amalthea's orbit, oxygen ion concentration increases unexpectedly.
A new study found that nature exposure removes negative body image triggers and strengthens coping mechanisms, promoting healthy thought processes and realistic appraisals of body image threats.
Researchers found patches of low mutation rates in the genome with essential gene over-representation, suggesting a protective mechanism. This discovery could lead to advances in plant breeding and human genetics, potentially helping breed better crops or fight cancer.
Researchers developed nanosensors for sensitive detection of semicarbazide and heparin, overcoming autofluorescence issues in traditional methods. The sensors have high sensitivity and visual response for semicarbazide detection, as well as a dual-response behavior for heparin.
A study published in Cell Metabolism reveals unique features of brain metastasis in breast cancers, highlighting potential new targets for therapies. Researchers found that metabolically distinct cells have varying levels of glucose and glutamine usage, which can be targeted to reduce metastatic activity.
A new study by UBC researchers found that larger farms lead to a 15% decrease in bird diversity in the farmland bordering the former Iron Curtain. Maintaining diverse habitats within agricultural landscapes is crucial for conserving bird diversity.
A new mobile management intervention program aims to improve asthma control in young Black American adults. The project, led by Karen MacDonell, will assess the effectiveness of technological components in traditional asthma education among Black Americans aged 18-30.
A study analyzing nearly 5,200 foods and beverages in celebrities' social media posts found that most depicted unhealthy profiles. Alcoholic beverages, snacks, and sweets were commonly showcased, raising concerns about their impact on public health.
A pilot study reveals that a single dryer can discharge up to 120 million microfibers annually, exceeding washing machine releases. Microfibers from natural and synthetic fabrics are released through friction in the dryer, posing environmental concerns.
Researchers develop ice-inspired lubricant that enhances lubrication and reduces friction and inflammation in a rat model of osteoarthritis. The treatment, which uses microfluidic technology to create drug-loaded particles, shows promise as a potential solution for joint pain and degeneration.
FaceBit, a lightweight sensor, can monitor wearer's health and sense heart rate through the face, providing real-time health monitoring. The device also detects potential issues like elevated heart rate or mask leaks, alerting users to take action.
A research team has successfully visualized the 3D structure of human chromosomes using coherent X-rays, revealing a fractal structure and providing insights into genetic information transmission. The study's findings have significant implications for understanding genetics and uncovering the structures of other materials like viruses.
The University of Cincinnati's Russian language program has received a $547,000 grant from the NSA to expand course offerings and create a pipeline for students interested in learning Russian. The new program will include nine-month courses, immersion programs, and workforce media development courses.
The fossil of Callichimaera perplexa boasts remarkably large eyes that grow throughout development, unlike most crab species. Its exceptional vision suggests it was a highly visual, swimming predator.
Researchers found microplastics accumulate near river sources and take long times to be transported downstream, posing ecological risks. The study's model describes hyporheic exchange processes that retain microplastics in rivers for years.
A recent study published in Scientific Reports found that chewing food thoroughly increases energy expenditure through diet-induced thermogenesis (DIT), which helps prevent obesity. The study involved participants who chewed liquid food for varying durations, revealing that prolonged chewing and tasting increased DIT, gas exchange, pro...
Researchers analyzed 6,800 cases of sudden cardiac death in the UK, finding a significant association between sexual intercourse and sudden death in young individuals. The study also identified key cardiac conditions that increase the risk of sudden death during or immediately after sex.
A Canadian study of COVID-19 patients over 50 years old found a significant association between the diagnosis and decreased functional mobility. Despite initial declines, physical function largely returned to pre-pandemic levels within six months.
UCLA researchers found that removing brain cells linked to wakefulness and addiction reduces both physical and emotional symptoms of opioid withdrawal. The study suggests that drug therapies regulating hypocretin production may be an effective treatment for opiate addiction and withdrawal.
Researchers discovered that IgA and IgG antibodies regulate immune responses against endometrial cancer, improving outcomes when tumor cells express the antibody receptor pIgR. The study suggests new therapies targeting B cells or combinations with T-cell immunotherapies for enhanced efficacy.
Researchers have discovered a new genus of tarantulas that live exclusively in bamboo stalks, found exclusively in high hill forests in northern Thailand. The new genus, Taksinus bambus, is unique due to its association with bamboo and can only be found at an elevation of about 1,000 m.
A multidisciplinary team of researchers has identified a key signaling pathway involved in tumor formation in lymphoma. The study found that the SENP6 gene controls DNA repair and its loss leads to cancer development.
Astronomers reconstruct evolutionary history of galactic neighborhood, showing a chain of events led to the creation of a vast bubble that's responsible for forming all nearby, young stars. The Local Bubble is home to seven well-known star-forming regions and continues to slowly grow.
A study published in Neuron found that inflammatory markers are elevated even before dementia symptoms appear, suggesting a potential role in neuroprotection. The researchers discovered two proteins linked to a damage control program, which may support the development of new drugs for early detection and treatment.
A new approach to field research is emerging, prioritizing farmer-centric philosophy and on-farm engagement. This shift aims to tackle the challenges farmers face at relevant scales, leveraging digital technology for more effective solutions.
Researchers found that plants have evolved a way to protect their most important genes from mutation, which has significant implications for understanding crop domestication and cancer. The study discovered non-random patterns in DNA mutations, with essential genes overrepresented in regions where mutations are rare.
An international team of astronomers has found strong evidence for an ultra-low frequency signal, consistent with the expected characteristics of a gravitational wave background. The discovery was made using data from 65 millisecond pulsars, combining independent data sets from around the world.
Researchers identified a novel therapeutic target for multiple myeloma by discovering the Sec61 translocon's vulnerability to inhibition. This targets the translocon prevents multiple myeloma cells from producing proteins through the secretory pathway, leading to their death.
A recent study found that social media posts about COVID-19 were less likely to contain misinformation than posts about other health topics. The research also revealed that health misinformation was already prevalent before the pandemic, with credible sources like governments and academic institutions being more trustworthy.
The study found that most USSE facilities were installed on grasslands, pastures, and agricultural lands, potentially impeding Florida panther dispersal. Restoration of dispersal corridors and gene flow is critical to the species' survival, benefiting biodiversity and resiliency at the landscape-scale.
Researchers at Pusan National University discovered that tempered glass is more resistant to water-promoted fracture growth than annealed glass. The study found that water droplets penetrate microcracks in glass surfaces, dissolving silicon-oxygen bonds and degrading mechanical strength.
Researchers from Karolinska Institutet have discovered that lung macrophages develop in two different ways, with fetal precursor cells dividing faster to remove microorganisms early on. The study's findings can help limit organ damage and promote new treatments for lung diseases.
A new study found that oral bisphosphonates risedronate and alendronate equally protect against hip fractures during a 2-year drug holiday. However, the risk increases slightly for those taking a break from risedronate.
Young dairy calves are motivated to seek full social contact, even with partial interaction, according to a new study. The researchers found that calves pushed more weight to access pens with a social partner compared to empty pens, highlighting the importance of socialization for calf development.
A survey study analyzed changes in acupuncture insurance coverage in the US from 2010 to 2019, revealing a decline in coverage over the decade. The study found that insurance coverage for acupuncture decreased significantly during this period, with significant implications for access to alternative therapies.
A research team at UNIGE and HUG has identified signals produced by the brain when people speak to themselves, offering a breakthrough in treating speech disorders. The study found that low frequencies and coupling between certain frequencies contain essential information for decoding imagined speech.
Researchers have discovered a new mechanism for regulating organelle contacts, essential for producing specific lipids in nerve cells. The study reveals that phosphorylation of a protein at the peroxisomes can block interaction with the endoplasmic reticulum.
A recent study from Oregon State University found that individuals with more positive self-perceptions of aging were less susceptible to the negative effects of stress on their physical health. This suggests that thought patterns and conversations reinforcing stereotypes of aging can have a measurable impact on one's life.
Researchers discovered a bacterial toxin that can accelerate colon cancer in mice, sharing similarities with human tumors. The study's findings suggest a potential link between transient food poisoning and colorectal cancer development, highlighting the need for further epidemiological studies.
Research proves O2-bridged bicyclic compounds are key reaction intermediates in oxidation of 1,3,5-trimethylbenzene. These compounds contribute to the formation of high-mass, low-volatility secondary organic aerosol products.
Researchers at HKU have identified the molecular mechanisms activating salt-induced adaptive changes in soybeans, which could provide solutions for saline agriculture. The study found that specific proteins and signaling pathways play a crucial role in helping plants cope with soil salinity.
A large-scale survey of over 500 delta-8-THC users found they experience fewer negative side effects and use it in safer modalities compared to delta-9. The study's findings have significant implications for lawmakers, public health officials, and consumers as more states legalize cannabis while prohibiting delta-8.
A new study by the University of California - San Francisco found an association between increased drinking and hospital visits for atrial fibrillation in a large population. The study linked acute alcohol consumption with a higher risk of new-onset AF in previously undiagnosed individuals.
A new study from Harvard T.H. Chan School of Public Health found that racial and ethnic minorities, as well as low-income groups in the US are being exposed to higher levels of dangerous fine particulate air pollution (PM2.5) than other groups.
The Omo I fossils, found in Ethiopia, have been dated to be at least 230,000 years old, pushing back the known emergence of Homo sapiens by tens of thousands of years. This reevaluation was made possible through advanced geochemical analysis and a new understanding of volcanic ash layers.
Researchers at Karolinska Institutet have identified a specific connection between a protein and an lncRNA molecule that can help decrease fat depots in tumor cells, leading to cell division cessation and cancer cell death. The study contributes to increased knowledge of liver cancer diagnosis and future treatments.
Researchers have found the Milky Way to be significantly lighter than previously thought, with a total mass of 500-800 billion solar masses. This new estimate is based on high-precision data from Gaia EDR3 and advanced dynamical modeling methods.
A team of researchers at ETH Zurich has developed a computer model that can predict how individuals will choose between options and feel confident in their decisions. The model uses patterns of eye movements to determine the level of attentional effort invested in evaluating options, revealing that introspection is key to self-control ...
Patients with skin-related side effects from immune checkpoint inhibitors tend to live longer, with a 22-50% decrease in mortality. These findings suggest that skin toxicities can be an indicator of treatment efficacy and may help identify patients who are more likely to benefit from their current immunotherapy regimen.
Researchers at Idaho National Laboratory have created a nationwide-scale electric power grid test bed to develop and demonstrate cutting-edge technologies for grid modernization. The enhanced test bed offers a collaborative environment for labs, industry, academia, and government to leverage shared resources.
Predator species help mitigate against loss of biodiversity and ecosystem destabilization caused by heatwaves. Algal communities in freshwater streams were found to resemble each other more closely when predators were absent, highlighting the importance of conserving top predators.
A new study found that transgender people who began hormone treatment in adolescence had fewer thoughts of suicide, lower rates of major mental health disorders, and reduced substance abuse compared to those who started hormones in adulthood. The study also showed better mental health outcomes for those who received hormone treatment a...
A new study published in Menopause journal reveals that severe depression and sexual dysfunction can impair a woman's cognitive skills, including orientation, registration, attention, recall, and language. The study suggests that these symptoms have a significant impact on women's overall cognitive performance.
A new study by Potsdam scientists finds that increased rainfall and extreme daily rainfall have a significant impact on the global economy. The analysis of over 1,500 regions across 40 years reveals a clear connection between wet days and economic slowdowns, particularly in rich countries.
A new combination immune therapy treatment extends cancer patients' lives while reducing toxic side effects and improving their overall health. This study found that the treatment was less toxic than other drugs on the market, providing an added benefit for patients' quality of life.
A study of 2018 US midterm election video ads found that ads from the preferred party evoke stronger emotions, while those from opposing parties have little effect. This suggests that political ads primarily motivate party faithful rather than sway undecided voters.
Researchers at Georgia Institute of Technology have discovered a promising alternative to conventional lithium-ion batteries made from a common material: rubber. The material, when formulated into a 3D structure, acts as a superhighway for fast lithium-ion transport with superior mechanical toughness.
A new study by the University of North Carolina at Chapel Hill suggests that COVID-19 vaccines maintain protection from severe disease nine months after the first shot. Boosters are crucial for older adults, according to lead author Danyu Lin, PhD.
Scientists from Tampere University and National Research Council of Canada develop a technique using two-photon N00N states to create entangled photon pairs with improved measurement precision. This allows for spatially structured quantum states of light that can go beyond classical limits in rotation estimation.
Researchers led by Prof. Maciej Wojtkowski create two-photon excited fluorescence scanning laser ophthalmoscope (TPEF-SLO) to observe molecules supporting visual pigments in retinal cells in real-time. The device allows for non-invasive assessment of metabolic processes and biochemical markers, leading to new insights into eye diseases.
Researchers found that inhibiting gasdermin D, a protein involved in septic patients' organ lesions, can prevent multiple-organ damage and improve prognosis. Disulfiram, a drug originally indicated for alcohol dependence, was shown to inhibit gasdermin D and reduce tissue injury.
Researchers at UNIGE found that fat can aid pancreatic beta cells in adapting to excess sugar levels. The study reveals a dynamic cycle of fat storage and mobilization allows cells to maintain near-normal insulin secretion. Regular physical activity may help give this beneficial cycle a chance to be active.
Research suggests that guided play can be just as effective as traditional instruction in developing key skills such as literacy, numeracy, and social skills. Guided play may even improve math skills and cognitive ability in younger children.
Researchers identified MIR3607 as a key regulator of the human cerebral cortex's large size, found in primates and carnivores but not mice. The microRNA promotes neural stem cell proliferation and expansion, contributing to brain evolution.
A research team has developed a new strategy to create molecular compounds without multi-step syntheses, using a system of three catalysts. The catalysts work together to selectively insert an aryl group into unactivated alkenes, offering a sustainable and efficient solution for organic synthesis.
Researchers found that male mosquitoes beat their wings up to 500-1,000 times a second, changing frequency to produce 'distortion tones' more audible to the male ear. This change is partly due to their circadian clock and allows males to detect females in swarms.
Hospital admissions for common and severe childhood infections in England decreased by up to 94% during the first year of the COVID-19 pandemic. This suggests that non-COVID-19 interventions, such as school closures and social distancing measures, may also reduce transmission of other infectious diseases in children.