Researchers discovered that viral expansions can transition from 'pulled' to 'pushed', where the expansion is driven by viruses arising behind the front, retaining genetic diversity for longer. This finding suggests that viral populations in infected organisms may be more adaptable than previously thought.
A study found that raw dog food in European supermarkets and pet shops contains antibiotic-resistant bacteria, including 'superbugs' found in hospital patients. The researchers concluded that dog food is a source of bacteria resistant to last-resort antibiotics and could potentially spread to humans.
Research published at the American Orthopaedic Society of Sports Medicine Annual Meeting found that patients with high-grade acetabular cartilage damage have poorer outcomes after primary labral repair. The study also showed no significant difference in efficacy between chondroplasty and microfracture for patients with high-grade lesions.
A Belgian case report documents a 90-year-old woman's simultaneous infection with two different SARS-CoV-2 variants of concern: B.1.1.7 (UK) and B.1.351 (South Africa). The patient developed rapidly worsening respiratory symptoms, leading to death. This is one of the first documented cases of co-infection with VOCs.
A phase 3 trial found that Lu-PSMA-617 significantly improved survival and progression-free survival of patients with metastatic castration-resistant prostate cancer. The treatment delivered beta radiation directly to tumour cells, keeping them alive for longer than standard care.
A new study found that obese patients with advanced prostate cancer survive longer than their overweight and normal-weight counterparts. Obesity was associated with a 10% higher survival rate over 36 months. The 'obesity paradox' suggests that high body mass index may be protective in certain cases.
A new study found that a stunning virtual reality setting can reduce pain caused by uncomfortable medical procedures, such as cystoscopies. The research used VR headsets to present patients with a calming Icelandic landscape, resulting in lower pain scores and reduced anxiety.
The study reveals that Chlamydomonas reinhardtii undergoes mutations leading to the emergence of multicellular life. The experiment confirms a theory on the origin of multicellularity, where cell groups are better at reproduction and more likely to survive than single cells.
Researchers from University of Tsukuba discovered that exposure to organic light-emitting diodes (OLEDs) before sleep reduces negative health effects on energy metabolism. OLEDs emit less blue light, leading to decreased energy expenditure and core body temperature during sleep.
A study of 1,234 revision ACL reconstruction patients found that using an interference screw for femoral and tibial fixation significantly improves six-year clinical outcomes. The transtibial surgical approach also showed improved results in pain and QOL subscales.
Researchers at Kobe University have identified a causal gene, Necdin (NDN), associated with autism spectrum disorder and other developmental disorders. The study reveals that the NDN gene regulates synapse development during critical developmental stages.
A study analyzing over 1,200 VA outpatient clinics found a 3.9% annual decline in total antibiotic prescriptions between 2011 and 2018. The largest decrease was seen for ciprofloxacin, while outpatient use of doxycycline, azithromycin, and amoxicillin/clavulanate remained high.
Researchers characterized clinical content of ambulatory care among office-based and telemedicine visits before and during the COVID-19 pandemic. The study found significant changes in care delivery, with a shift towards telemedicine visits during the pandemic.
The giant panda's temporomandibular joint and premolar teeth evolved to facilitate sideways movement of the jaw, allowing for efficient peeling of bamboo. This adaptation enabled pandas to access an endless source of nutrition in the early Pleistocene.
Researchers at UMD found that a specific combination of parents can cause epigenetic changes to last for hundreds of generations. The study used nematode worms and found that when the mother carried a gene, it was always turned on, while when the father carried the gene, the silencing signal often won.
The Delta variant is less sensitive to neutralizing antibodies compared to the Alpha variant, with serum from convalescent patients showing reduced potency. Vaccinated individuals' sera effectively neutralize the Delta variant, although efficacy is slightly lower than against the Alpha variant.
Scientists from the University of Tsukuba used radio-frequency imaging to detect nitrogen-vacancy defects in diamond with improved resolution. The technique, called spin-locking, enhances accuracy and sensitivity by shielding electron spin from random noise.
A virtual learning program improved NICU nurses' knowledge and scoring skills for measuring neonatal pain. The study suggests that e-learning can be a useful tool for nurses to attain knowledge and skills for managing neonatal pain.
Researchers found that quadriceps tendon autografts had a lower MRI signal at 12 months compared to hamstring tendon autografts, indicating quicker graft maturation and improved structural integrity. This suggests that quadriceps tendon autografts may have a superior rate of incorporation and synovialization.
A non-toxic derivative of tetanus neurotoxin improves depression symptoms in rat models, lasting two weeks. Hc-TeTx inhibits serotonin transport by binding to neurotrophin receptors, suggesting potential for treating neurodegenerative diseases.
Researchers at the University of Tennessee Institute of Agriculture are investigating consumer and retailer attitudes toward food loss and waste reduction programs. The study aims to provide recommendations for future voluntary food loss and waste reduction programs, which could help reduce US food waste by 50% by 2030.
A multi-institution team led by University of Arizona is developing clinically validated wearable technologies to remotely monitor patient health, enabling 'care in place' and improving healthcare delivery. The center aims to create devices that can efficiently collect information while ensuring patient data privacy.
Researchers found that combining personalized goals with a game and financial incentives increased veterans' daily step counts by an average of 1,224. However, progress was short-lived, as neither group sustained their gains after the intervention period ended.
This study suggests exploiting urine RNAs as diagnostic markers for bladder cancer, identifying novel marker candidates and validated amplicons. Deep transcriptome analysis of urine RNA revealed coding sequences, non-coding sequences, and circular RNAs, providing promising insights into bladder cancer diagnosis.
Researchers at the University of Würzburg have successfully introduced a light-sensitive switch into tobacco plants' guard cells, enabling remote control over stomatal movements. This technology has enormous potential for improving plant drought resistance and water conservation.
Scientists developed a machine learning algorithm that uses artificial neural networks to accurately forecast cell size as it grows and divides. By recognizing patterns in the data, the computer can make more complex predictions than conventional methods, which rely on simplifying assumptions.
Researchers at NIST used an emerging molecular profiling method to analyze a type of tumor-like disease called growth anomalies in corals. The study identified 18 small molecules that promise to help better understand the series of molecular reactions leading to the disease, which affects coral skeletons and soft tissues.
A new study developed a conceptual model to understand the relationship between policing and population health, highlighting factors like community characteristics and policy that affect health outcomes. The research suggests that policing practices can have far-reaching impacts on mental, physical, social, and structural wellbeing.
A large-scale study from South Africa found that the Beta variant increased COVID-19 hospitalization and death risks compared to previous waves. The study suggested a higher case fatality risk of 26.9% during the second wave, highlighting the need for continued vigilance.
A new study found that Red Dead Redemption 2 players were able to identify 10 of 15 American animals in a multiple-choice quiz, with those who completed the game's main storyline performing best. The game's high level of detail and realistic animal behavior also taught players about animal behaviour and ecology.
Researchers discovered a protective mechanism where dying cells activate the EGFR-ERK pathway in neighboring cells, preventing simultaneous cell death. This mechanism ensures tissue integrity and connectivity.
Researchers have developed a non-invasive method to diagnose thyroid cancer using photoacoustic and ultrasound image technology combined with artificial intelligence. The technique accurately classifies malignant nodules with high sensitivity and specificity, reducing unnecessary biopsies and medical costs.
Researchers identified likely new marine species on nine seamounts explored for the first time in the Phoenix Islands Archipelago. The expedition also collected high-resolution seafloor mapping data and footage of rare organisms, including a glass octopus and whale shark.
Low-intensity cognitive behavior therapy (CBT) has been found to be effective in reducing anxiety and depression during the COVID-19 pandemic. A new consumer guide aims to help people navigate the system and find targeted services.
Researchers at Texas A&M University created novel 3D printable phase-change material composites to regulate ambient temperatures in buildings. These composites can be added to building materials or 3D printed as decorative accents.
A team of researchers at the University of Birmingham developed an interactive lineup software that enables witnesses to rotate and view lineup faces from different angles. This improvement in discrimination accuracy is crucial for more reliably identifying criminals, as misidentification is a leading cause of wrongful convictions.
Scientists have found that short-chain fatty acids can increase the efficiency of tumor therapies by boosting the activity of killer cells. The researchers identified pentanoate, produced by Megasphaera massiliensis bacteria, as a key player in this process.
Researchers at Bocconi University analyzed data from France and found that districts with larger gender pay gaps had fewer female candidates and lower votes for women. The study suggests that voters' biases against female politicians limit the effectiveness of quota rules in allocating female candidates to contested districts.
A study by economists from Ural Federal University and Shippensburg University found that the fracking boom led to increased burglaries and violent crimes in rural US states. The increase in violent crime rates was attributed to factors such as low-skilled temporary jobs, income inequality, and environmental disamenities.
A study found that male children with Crohn's disease experience worse growth due to factors like infliximab use and poor growth at symptom onset. In contrast, female patients tend to grow better regardless of disease severity or medication interventions.
A study reveals that highly mutated SARS-CoV-2 can emerge in people living with advanced HIV if they cannot clear the virus through effective antiretroviral therapy. This increases the risk of severe disease and potentially more potent variants.
Researchers found that general internal medicine and family medicine clinicians spent an average of two hours actively using the EHR each day, while pediatricians spent around one hour and a half. The study suggests improvements in messaging and placing orders could reduce burnout among primary care clinicians.
A massive volcanic eruption in Indonesia about 74,000 years ago likely caused severe climate disruption globally, but early human populations were relatively unaffected. The study suggests that regional variation in climate impacts occurred, with the Northern Hemisphere experiencing cooling of at least 4°C.
A researcher at the University of Tsukuba introduces a new theoretical model of high-temperature superconductivity based on the calculation of the Berry connection. This model helps explain experimental results better than the current theory and may enable lossless energy transmission.
Researchers are developing a stroke rehabilitation robot using brain-inspired intelligent technology to improve outcomes for patients. The robot will analyze movement intentions and respond with precision, aiming to recognize eight hand movements with an accuracy rate of 90% and response time of 300ms within five years.
Researchers at Helmholtz-Zentrum Hereon develop a novel model to quantify social phenomena during the Corona pandemic. The study reveals that social cohesion plays a crucial role in explaining regional mortality rates and behavioral changes.
A new study suggests that magnetic resonance imaging (MRI)-based screening can reduce unnecessary biopsies and detect clinically significant tumours while halving overdiagnoses. The results come from a randomized study conducted at Karolinska Institutet in Sweden.
A recent study published in Science found that songbirds can indeed taste sugar, contrary to long-held assumptions. The researchers' findings suggest that songbirds evolved to sense sweetness approximately 30 million years ago, possibly due to the availability of sugary food sources.
Researchers have solved a decades-old mystery as to how Jupiter produces spectacular bursts of X-rays every few minutes. The X-rays are triggered by periodic vibrations of Jupiter's magnetic field lines, creating waves of plasma that send charged particles towards the planet's atmosphere.
A new study from Oregon State University found that recess quality plays a major role in student behavior and social-emotional development. Schools with high-quality recess measures saw positive outcomes in classroom behavior and socio-emotional markers, including higher scores in resilience and self-control.
Researchers found that spontaneous transient depolarization decreases reactive oxygen species production by inhibiting sustained matrix pH elevation. The study proposes a model where increased matrix pH facilitates moving more protons from outside the matrix into the matrix, controlling oxidative stress in cells.
A survey study examined COVID-19 vaccine acceptance and approaches to improve vaccination rates among Chinese adults. The study found significant disparities in vaccine uptake, with regional differences in attitudes towards vaccination.
Researchers found that vaccination significantly increases neutralizing antibodies in saliva, reducing transmission risk. The study also shows the importance of receiving a second vaccine dose for maximum protection against evolving virus strains.
A survey of 964 adults in 76 countries found that half faced reduced access to gender-affirming resources during the pandemic, leading to poorer mental health outcomes. The study highlights the need to increase secure access to these resources to improve the health of trans and non-binary people.
Research suggests that common prescription drugs like proton pump inhibitors, beta-blockers, and antimetabolites can increase the risk of developing antibiotic-resistant infections. These non-antibiotic medications are commonly used to treat various conditions but can also contribute to drug resistance.
A new genetic engineering platform has been established in methylotrophic yeast Pichia pastoris, enhancing homologous recombination rates and genome editing efficiency. This breakthrough can enable the stable loading of over 100 exogenous genes and precise regulating of gene expression.
Researchers found that increased warming and ozone levels stress soybean plants' symbiotic microorganisms, reducing their ability to hold carbon in the ground. The study also discovered a shift in arbuscular mycorrhizal fungi communities, favoring Paraglomus species with high nutrient-absorbing capabilities.
Research reveals that even professional female sopranos tend to be inaccurate in self-assessing their own singing abilities. However, those with higher singing competence are better at evaluating themselves. The study's findings suggest that self-evaluation plays a crucial role in developing exceptional musical skills.
Researchers have developed a programmable quantum simulator capable of operating with 256 qubits, a significant advancement in the field of quantum computing. The system enables the study of complex quantum processes and has already allowed for the observation of exotic quantum states of matter.
A new study has identified key pathways linking high-fat diets to atherosclerosis in mice, shedding light on the role of neutrophils and citrullination in inflammation. Researchers found that blocking this process could lead to reduced neutrophil adhesion and potentially prevent blocked arteries.