A recent study reveals the combined weight of cattle, pigs, sheep, and other domesticated mammals surpasses that of wild terrestrial mammals, dwarfing their biomass by 30 times. Human impact on the environment is also strongly affecting the relatively limited remaining mammalian presence in nature.
The study found that transcatheter edge-to-edge repair achieved a successful repair for nearly 9 out of 10 patients and reduced valve leakage from severe to moderate or less in almost 90% of patients. Patients who underwent the procedure were half as likely to die within one year compared with those in whom the procedure was unsuccessful.
Researchers at Intermountain Health studied nearly 150,000 COVID-19 patients and found a significant increase in chest pain rates six months to one year after infection. Long-term cardiovascular complications may be emerging, Dr. Heidi May notes., Chest pain persisted as a problem despite no major events like heart attacks or strokes.
Researchers from ETH Zurich, Harvard, and Cambridge join forces to study chemical and physical processes of living organisms and environmental conditions for life on other planets. Synthetic cells enable scientists to deconstruct complex systems, understand basic principles of life and evolution.
A Georgetown University study found that black people in rural North Carolina have better mental health than white people, with rural black residents experiencing fewer mentally unhealthy days. The paradoxical finding has implications for addressing mental health disparities in rural areas.
Researchers used a self-developed quantum spin amplifier to detect exotic parity-violation interactions beyond the standard model, improving previous limits by at least five orders of magnitude. The experiment has provided new constraints on dark matter and complemented existing models.
Researchers from Tokyo Metropolitan University have successfully threaded indium atoms into bundles of transition metal chalcogenide nanofibers, creating a unique nanostructure. The resulting metallic nanowires exhibit properties suitable for flexible wiring in nanocircuitry.
A new study of nearly 136,000 patients found significant increases in depressive symptoms and severity during the COVID-19 pandemic, regardless of infection status. Depression symptoms rose from 45% to 55% of patients between 2016 and 2022, with no difference seen between infected and uninfected individuals.
Researchers have discovered a previously unrecognized mechanism that controls grain number in barley, potentially increasing yield. Approximately 40% of initiated floral primordia set grains, representing untapped yield potential.
A recent study found that global warming is contributing to an increase in ozone pollution, particularly in regions prone to air pollution. High downward surface solar radiation is inducing extra biogenic emissions, leading to longer-lasting ozone events and exceeding World Health Organization guidelines.
Preliminary research found that better sleep health was associated with higher rates of attendance at group interval sessions, adherence to caloric intake goals, and improvement in time spent performing moderate-vigorous physical activity. However, the association between sleep health and physical activity was not statistically signifi...
A new study highlights Asian megacities like Chennai, Kolkata, Yangon, Bangkok, Ho Chi Minh City, and Manila as facing significant risks from sea level rise by 2100. The research incorporates natural sea level fluctuations to show how climate change amplifies this effect, leading to more frequent extreme flooding events.
A study found that time-restricted feeding improves muscle performance in obese fruit flies by upregulating genes related to glycine production and utilization. This approach may provide a natural alternative therapy for managing obesity-related pathologies.
A new model by Imperial College London and University of Lausanne researchers suggests that 'good genes' can sometimes lead to population collapse when males express traits that damage females. This can result in reduced female fecundity or even death, ultimately leading to a decline in population viability.
Researchers have discovered a gene mutation that can block chronic pain and provide protection against other stimuli, including heart and brain cells. The TRPV1 receptor mutation, found in avian species, was successfully transplanted into mice, showing reduced pain sensitivity and improved protective effects.
Researchers are developing wearable robotic arms that can assist with daily living tasks, using non-invasive techniques. This technology has the potential to improve quality of life for individuals with sensory and motor deficits, such as spinal cord injuries or stroke survivors.
Researchers overview recent developments in carbon-based non-noble metal single-atom catalysts (NPM-SACs) for electrocatalytic field, highlighting their low cost and high performance. The team summarizes strategies to optimize NPM-SACs' micro-environment and discusses advances in developing NPM-SACs for various electrochemical reactions.
A recent study on the genetic makeup of grapevine has revealed that it was domesticated around 11,000 years ago in the Near East (Israel) due to a harsh climate. The research team sequenced the genomes of 3525 grapevine accessions and found that the Israeli wild grapevine population is the source for the domestication of table grapes.
A new multicenter study led by Washington University School of Medicine in St. Louis found that adding the drug aripiprazole (Abilify) to an antidepressant improves treatment outcomes for older adults with clinical depression that has not responded to standard treatments. The study, published in The New England Journal of Medicine, sho...
A new machine learning model developed by NYU researchers can predict food crises up to 12 months in advance by analyzing news articles and their frequency. The model shows a high correlation between news coverage and on-the-ground occurrences of risk factors, indicating its potential as an early-warning system.
A team of Japanese researchers has developed a novel approach to enhance the fast-charging ability of lithium-ion batteries using a binder material that promotes Li-ion intercalation of active material. This results in high conductivity, low impedance, and good stability, reducing the concentration polarization of Li+ ions.
Researchers have developed a potential treatment for autoimmune encephalitis by creating an NMDA receptor fusion construct that neutralizes pathogenic antibodies. This innovative approach has shown promise in reducing signal transmission to neurons and may lead to improved treatment options for patients with this rare and serious disease.
A Canadian study found that those infected with COVID-19 in the first wave in 2020 were 40% less likely to get infected during the first six months of Omicron activity. Older adults, particularly those aged 65 and above, were significantly less likely to be infected than younger adults.
Researchers at University of Birmingham develop AI diagnostic tool to predict ulcerative colitis flare-ups with 89% accuracy. The system identifies markers of inflammation and healing, providing analytical support for clinicians in managing the disease.
Tumour cells exhibit an innate randomness in their ability to respond to chemotherapy, which can lead to resistance. Researchers identified a marker for resistance and propose combining chemotherapy with drugs targeting this 'noise' to improve treatment outcomes.
Researchers will use data from New IDEAS study to enroll a representative population of patients with memory impairment and their family members. The goal is to better understand the psychological impact of receiving biomarker-informed diagnoses and inform best practices in diagnostic evaluation.
Researchers in China find that a leucine deficient diet has antidepressant effects on chronic restraint stress-induced depression-related behaviors, mediated by hypothalamic AgRP neurons and GCN2 signal. This study provides a new perspective for exploring the relation of nutrition, hypothalamus, and depression.
A study found that Transcendental Meditation significantly reduced stress-related burnout symptoms, such as somatization, depression, and anxiety, in healthcare workers. The technique showed rapid improvements, with mean reductions in anxiety of 62% and emotional exhaustion of 40%, compared to a control group.
Researchers create FMHE with tunable conductivity and stiffness, enabling compensation for robotic manipulators' positional errors. The material's deformation can reset current-liming fuse in case of overload.
Phytochromes play a dual role in seed germination of Aethionema arabicum, stimulating but also inhibiting germination. The study reveals that high light intensity and duration inhibit germination, while short exposure favors germination, indicating a genetic basis for adaptation to environmental requirements.
A study found a significant association between heating complaints and structural fires in NYC, with varying rates across community districts. The results highlighted inequities in safe heating, particularly among Black and Latinx communities.
A $5 million grant from the USDA Natural Resources Conservation Service supports a Climate-Smart Sustainability Certificate program for small-scale farmers. The program aims to improve crop production while reducing greenhouse gas emissions and increasing carbon removal.
A recent study has identified nine new genetic variants that increase the risk of prostate cancer in men of African descent, including a variant linked to aggressive forms. The findings can be used to refine polygenic risk scores and identify high-risk patients for earlier screenings.
Research on caregiving after neurotrauma and neurological disability emphasizes the need to address unmet caregiver needs, which can impact the quality of care provided. Studies found that brain injury caregivers experience higher burden, decreased physical and neuropsychological functioning, and lower mental health.
Researchers analyzed human skeletons from burial mounds to determine if they were horse riders. A set of diagnostic criteria, known as the 'horsemanship syndrome', was used to identify traits indicative of riding activity. At least 24 out of 156 individuals can be classified as possible riders, with five being highly probable riders.
A new study found that military veterans are at higher risk of developing human papillomavirus (HPV)-related cancers due to low vaccination rates. The study suggests that 'catch-up' HPV vaccination campaigns are needed to boost vaccination rates among veterans and reduce deaths from these largely preventable cancers.
Researchers from Northwestern University discuss the multifaceted tumorigenic functions of EZH2, including its role in regulating translation and coactivating transcription. This new understanding may provide novel insights into advancing EZH2-targeting strategies for prostate cancer patients.
A new rehabilitation strategy for brain injuries is being developed by OU researcher Yuan Yang, who will use multi-modal MRI scans and electrical neural activity scans to assess changes in motor control. The goal is to reduce recovery time and healthcare costs for stroke survivors.
A new study by Göttingen University reveals that mechanical weeding and reduced fertilizer usage significantly increase ecosystem multifunctionality and profit in industrial oil palm production. The researchers found no reduction in greenhouse gas emissions with these practices.
Scientists create optical imaging method to detect specific neurotransmitters serotonin, dopamine, and acetylcholine using fMIP-NPs. The technique demonstrates feasibility in selective detection of neurotransmitters released in the brain.
Despite exceptional challenges during the pandemic, skilled nursing facilities (SNFs) provided post-acute rehabilitation with only a modest decline in intensity. SNFs were largely able to adapt and provide quality care to older adults, particularly those with cognitive impairment and higher risk overall.
Public health officials and community leaders must team up to disseminate accurate vaccine narratives, as anti-vaccine activism poses a significant threat to global health. The Lancet-led viewpoint piece emphasizes the importance of effective communication strategies to counter misinformation and promote vaccine uptake.
A new UC Davis study has identified 194 significantly different genes in the brains of people with autism, with many linked to brain connectivity, immune response, and inflammation. The research also found age-dependent differences in genes related to synaptic function and cell loss.
Researchers aim to optimize food bacterial detection using fluorescence detection, reducing detection time and improving sensitivity. The goal is to prevent spread of foodborne pathogens and provide a safe food supply.
Researchers have mapped changes to the retina that correspond to brain changes in Alzheimer's disease patients, opening a path to earlier diagnosis and more effective treatments. The study found accumulation of toxic proteins in retinas of patients with Alzheimer's disease and mild cognitive impairment, causing severe cell degeneration.
Researchers have developed a microfluidic squeezing technology that stimulates anti-tumor activity in a subtype of HPV16-positive head and neck, cervical, and anal cancers. The treatment uses peripheral blood mononuclear cells trained to recognize and attack cancer cells without genetic modifications.
A team of researchers from the University of Science and Technology of China has renewed our understanding of lithium-carbon dioxide (Li-CO2) battery operating voltages. They found that Li-CO2 batteries operate at about 1.1 V, contrary to previous reports of 2.6 V.
A new non-invasive diagnostic technique using smartphone photographs of the eye and face has been successfully developed to detect anaemia in children. The study, published in PLOS ONE, used images from 43 children under four to predict blood haemoglobin concentration with high accuracy.
Researchers discovered that quiescent ovarian cancer cells secrete follistatin, which induces resistance in neighboring cells and worsens survival rates. Targeting this protein may improve chemotherapy response and boost survival in patients with aggressive ovarian cancer.
A recent study found that Black infants in the US were disproportionately affected by necrotizing enterocolitis, with higher mortality rates compared to White infants. Despite overall improvements in NEC-related deaths between 1999 and 2020, racial disparities persisted.
A 21-person commission of public health experts calls for networked communities sharing accurate vaccine information to counter misinformation. The US has seen a surge in anti-vaccine activism, leading to vaccine hesitancy and increased illnesses.
A study by the University of Bonn has confirmed a significant reduction of methane emissions in slurry by 99% using calcium cyanamide, a long-standing fertilizer. This additive suppresses microbial degradation processes, resulting in lower greenhouse gas production during long-term storage.
A new study by MIT scholars reveals that sharing news on social media can lead to a decline in accuracy, as considering sharing impairs people's ability to discern truth. The study found that asking participants about sharing reduced their success rate at telling truths from falsehoods, with a 35% decrease in accuracy.
Researchers developed a new ghost imaging algorithm to address image quality limitations in electron microscopy, achieving improved resolution and contrast using lower flux illumination. The approach enables robust transmission electron microscopy imaging with reduced sample damage.
A team of researchers has developed a method to observe bee brains directly, using a calcium sensor that monitors neural activity in response to environmental stimuli. The study provides insights into how social behavior is located in the brain and how it affects animal cognition.
Researchers have developed a new ultrafast infrared spectroscopy method that can detect molecular vibration information at high speeds. This method, called upconversion time-stretch infrared spectroscopy (UC-TSIR), provides over 30-fold more spectral elements and 400 times better spectral resolution than conventional methods.
Researchers found that cities in Mesoamerica with collective forms of governance, infrastructural investments, and collaboration tended to remain important for a thousand years or more. Early efforts to construct dense residential spaces and central plazas were key factors in sustainability.
A recent MRI study by the CNIC has established reference values for anatomical and functional parameters in adolescents' hearts, providing a crucial resource for clinical practice. The study involved 123 adolescents and aimed to fill the knowledge gap on 'normal' cardiac parameter values in this age group.
Researchers found that people use emojis to soften negative expressions and express positive feelings in online interactions. However, this can lead to emotional exhaustion if the dissonance between experienced and expressed emotions is too great.
A one-year case-control study found increased rates of adverse outcomes among adults with long COVID compared to those without COVID-19, highlighting the need for continued monitoring, particularly in cardiovascular and pulmonary management. The study's findings underscore the importance of addressing at-risk individuals.