Researchers found a missing link between galaxies and quasars, discovering a supermassive black hole in archived Hubble Space Telescope data. The object, GNz7q, appears to be a black hole just starting to overpower its host galaxy in the process of becoming a quasar.
Researchers found that NYX-783, a newly discovered drug, modulates NMDA receptor activity in neurons to suppress traumatic memories and spontaneous recovery of PTSD. The drug was effective in reducing fear responses and improving treatment outcomes, particularly in female mice.
Providers of care to transgender youth believe restrictive sports legislation would worsen discrimination and stigmatization. The study found that such laws could lead to increased mental and physical health morbidities among transgender youth.
Researchers at the University of Cologne and the University of Wuppertal have developed a tandem solar cell that achieves an unprecedented 24% efficiency, outperforming previous records. The innovative design combines organic and perovskite-based absorbers with an indium oxide interconnect to minimize losses.
Researchers identify magma intrusion as cause of 85,000-quake swarm in Antarctica, largest ever recorded. The swarm peaked with two large earthquakes before subsiding, marking the end of a sustained magmatic unrest.
A UCLA-led team has created a roadmap tracing each step in human blood stem cell development, providing a blueprint for producing fully functional blood stem cells. The map could help expand treatment options for blood cancers and inherited disorders.
A team of researchers, led by L. Mahadevan, developed a mathematical model to understand the mechanics of combing and detangling. They found that using short strokes starting from the free end can effectively remove tangles, with an optimal minimum length for each stroke identified.
Researchers found that veterans with chronic headache are interested in combining alternative therapies like acupuncture and massage with mainstream medicine. Healthcare providers support patient empowerment, but need education on the scientific evidence for alternative therapies.
US life expectancy dropped by 1.87 years from 2019 to 2020, while peer countries saw a 0.58-year decrease on average. Hispanic and non-Hispanic Black populations experienced larger declines, with decreases of 3.70 and 3.22 years respectively.
A study led by the University of Minnesota Medical School found that exposure to helminths can stimulate the immune system and reduce predisposition for inflammatory bowel disease. The research revealed a unique glycosylation mechanism, O-GlcNAcylation, which activates epithelial cells to orchestrate an anti-helminth response.
Researchers at Radboud University found that as Zoom call video quality degrades, people start shouting and using more gestures to compensate. The study tracked participants' speech and gestures over 40 minutes of calls with deteriorating video quality.
A new study finds that asymmetrical family structures, such as single-father or single-mother households, are associated with higher delinquency rates among adolescents. In contrast, symmetrical arrangements like mother-stepfather families show lower rates of delinquent behavior.
A recent study by KIT and BGR predicts declining groundwater levels in Germany until 2100, regardless of the climate scenario. The worst-case scenario indicates significantly falling groundwater levels in North and East Germany by the end of the century.
Scientists identified six sets of genes that produce defense molecules when wheat is attacked by microbes. These gene clusters encode versatile chemicals including triterpenes and flavonoids, which could help breed more resistant wheat varieties.
Researchers at UT Health San Antonio have identified a novel mechanism by which tau protein causes neurons to die, which can be altered pharmacologically. This discovery provides a new framework for studying vertebrate models of tauopathy and eventually clinical trials.
Researchers found a higher number of small HDL particles in cerebrospinal fluid is associated with better cognitive performance and lower risk for Alzheimer's disease. These particles may play a key role in clearing amyloid beta peptides, which contribute to the disease.
A study found that BPA exposure in utero has a more significant impact on rat offspring than mothers exposed prenatally. The effects of BPA on maternal rats were slight compared to those of their offspring.
Researchers have discovered that blood cancer cells steal membranes from immune cells like Natural Killer cells through a process called trogocytosis. This process allows the cancer cells to put the NK cells to sleep, shutting down their anti-cancer activity. The study also sheds light on how PD-1 inhibitors can be used to 'wake up' th...
Researchers created a theoretical model to describe the swelling, softening, and elastocapillary adhesion of cooked pasta. The study found that cooking time is directly related to the degree of noodle stickiness.
Scientists at Stockholm University have revealed the structure of bismuth subsalicylate, a century-old pharmaceutical ingredient used to treat nausea and diarrhea. The discovery was made possible by advanced transmission electron microscopy techniques, which provided atomic resolution images of the molecule's molecular packing.
A new study found that valbenazine, a VMAT2 inhibitor, is safe and effective in treating chorea in patients with Huntington's disease. Chorea is a common symptom of the disease, causing involuntary and irregular movements.
A new study shows that three doses of mRNA vaccine provide substantially greater protection against severe COVID-19 for immunosuppressed transplant patients. Boosters appear to increase effectiveness, with a regimen of two doses only 29% effective and three doses 77% effective in preventing hospitalization.
Researchers discovered a link between non-O blood types and an increased risk of developing venous thromboembolism in cancer patients. This finding suggests that blood typing may serve as another important predictive measure for identifying individuals at high risk.
Researchers developed personalised brain models to simulate patient response to deep brain stimulation for depression, improving efficacy by 50%. The models use individual EEG and MRI data to replicate brain response and pave the way for tailored treatment approaches.
Researchers have made a breakthrough in enhancing the antiviral T cell response triggered by therapeutic vaccines for chronic hepatitis B. By removing natural killer cells and activating them with cytokines, they boosted the control of HBV infection.
A study found that listeners in Arkansas and Michigan imagined similar stories, while those in China envisioned unique narratives. The results suggest that music can generate shared experiences despite cultural differences.
Researchers discovered that bacterial virulence factor WtsE initiates mobilization of nutrients and water into spaces where the bacteria reside in infected maize plants. This process precedes death of plant cells and could inform future breeding practices to resist devastating corn diseases.
Researchers load CAR-T cells with an oncolytic virus to target and kill solid cancer tumors, providing a potent immune response. The combination approach overcomes challenges in treating solid tumors with CAR-T cell therapy alone.
Researchers at MD Anderson have made significant advancements in treating neuroendocrine tumors with combination therapy, identified consensus subtypes for hepatocellular carcinoma to improve treatment selection, and found a targetable vulnerability in urothelial cancer due to MTAP loss.
A recent study found that structural racism and COVID-19 pandemic stressors are significantly associated with postpartum depression and anxiety among Black individuals. The study, published in JAMA Psychiatry, analyzed data from a large birthing cohort and found that participants who experienced worse pandemic-related worries, interper...
The study examines how COVID-19 disproportionately affects Black individuals' postpartum anxiety and depression, building on historical inequities. Researchers found a significant association between COVID-19 and increased rates of postpartum mental health issues in Black women.
Researchers developed a protein-based antiviral nasal spray that thwarts infection by interfering with the virus' ability to enter cells. The treatment neutralizes all tested SARS-CoV-2 variants, including omicron subvariants, and is more cost-effective and self-administerable than current antibody therapies.
Recent simulations and analysis suggest that the PPPL flagship, NSTX-U, can serve as a model for an economically attractive next-generation fusion pilot plant. The facility's unique capabilities make it a candidate for generating clean and safe power for electricity production by the 2040s.
The University of Otago has created the first strontium isoscape for Aotearoa New Zealand, allowing researchers to pinpoint biological material to distinct geographical regions. This innovation enables better prediction of unknown materials' origin, benefiting industries and research
A new study finds that while immediate economic benefits of carbon emissions reductions are limited, most scenarios have net economic benefits after 2050. The benefits are most dramatic for developing countries, with a median net benefit of 6.0% of GDP for a 1.5°C reduction target.
New research suggests diverse microbial life existed on Earth at least 3.75 billion years ago, dating back to a time when the planet was still forming. The study, led by UCL researchers, analyzed ancient rock formations and found evidence of complex structures that could not have been created through chemical reactions alone.
A new study found that newborn brains are already organized into functional networks, with five networks operating at birth. Individual variability in these networks may be related to genetic differences and could have implications for behavior in adults.
A retrospective study found that higher coronary artery calcium score, higher pulmonary artery-to-aorta ratio, and lower thoracic skeletal muscle index independently predicted worse overall survival. The PA-to-aorta ratio was the most important predictor of overall survival.
A team of researchers used a new computer simulation to model the electrostatic self-organization of zwitterionic nanoparticles, which are useful for drug delivery. They found that including transient charge fluctuations greatly increased the accuracy, leading to the development of new self-assembling smart nanomaterials.
Researchers compared long-term quality-of-life outcomes in women with breast cancer treated with breast-conserving surgery and radiation therapy versus mastectomy and reconstruction without radiation therapy. Mastectomy and reconstruction was associated with lower overall quality of life, but not physical function or mental health.
A $1000 cash incentive significantly increased COVID-19 vaccination rates among hesitant individuals, reaching 87 percent. The study highlights the effectiveness of monetary incentives in addressing collective action problems like vaccine hesitancy and climate change.
A new robot system enables automatic insertion of needles for prostate diagnosis and treatment, reducing trauma and improving success rates. The 8-joint robot uses a parallel structure for precise control and can be calibrated using particle swarm optimization.
Researchers have found that the meningococcal B vaccine is 33% effective against gonorrhoea in adolescents and young adults. The study aims to reduce not only gonorrhoea infection but also its long-term effects, such as infertility and blindness in babies born to infected mothers.
A new study by an international team of scientists links early human habitats to past climate shifts using a supercomputer model and fossil records. The research suggests that climate change played a central role in determining where different hominin groups lived and their remains were found.
Researchers have developed a compound that reduces pathogen virulence in rice without harming humans or the environment. This breakthrough has significant implications for combating bacterial pathogens in other crops.
Researchers characterized viral protein binding to sialic acids on animal and human coronaviruses, revealing host-specific patterns. This adaptation enables coronaviruses to quickly jump species, driving cross-species transmission.
A novel approach to understanding sponge evolution reveals two distinct microbiome compositions that led to different feeding strategies and predator protection. The discovery provides insights into the Earth's past and could reveal aspects of ancient ocean chemistry.
Researchers created edible tags with fluorescent silk proteins to track medications, providing a new way for consumers to verify authenticity. The codes are readable by a smartphone app and can be ingested without causing harm.
Researchers at Columbia Engineering and Brookhaven National Laboratory have developed a new high-resolution x-ray imaging technique to reveal the inner structure of novel nanomaterials. The tool, which provides 7nm resolution, has enabled them to study complex 3D architectures with unprecedented detail.
A team of researchers developed a novel chip-based infection model to study invasive aspergillosis, a mold infection that affects the lungs. The model allows for live microscopic observation of damage caused by fungal hyphae and the response of immune cells.
A new model shows combining face masks, distancing, and increased ventilation can reduce SARS-CoV-2 infection risk by more than 98% in most cases. The study found that layered controls are highly effective in curb exposure to COVID-19.
A new study published in the Journal of the American Heart Association found that late menopause, occurring at age 55 or older, significantly increases heart failure risk among obese women. Obesity was a major contributing factor, with the risk being greatest among women who experienced late menopause.
CHOP researchers have developed a targeted treatment that controls blood sugar in patients with hyperinsulinism, a genetic disease. The study found exendin-(9-39) reduces likelihood of fasting hypoglycemia by 76% and protein-induced hypoglycemia by 82%
A systematic review and meta-analysis of 15 studies found significant mental health benefits from physical activity, including a reduced risk of depression. The study suggests that even moderate levels of exercise can have a positive impact on mental well-being.
A new study suggests that exercise helps maintain brain health by keeping insulin and body mass index levels low. People with higher physical activity had a higher total volume of grey matter in their brains than those with less activity.
Patients with lower levels of sex hormones are more likely to undergo surgery for rotator cuff tears, according to a study published in The Journal of Bone & Joint Surgery. Estrogen deficiency was associated with a 48% higher incidence of rotator cuff repair in women, while testosterone deficiency was linked to an 89% higher rate in men.
Researchers at Weill Cornell Medicine discovered that cancer cells suppress a key enzyme in propionate metabolism, increasing production of methylmalonic acid (MMA) and causing cells to become more aggressive. This metabolic change may hold the key to understanding how tumors metastasize and developing novel therapies.
Researchers found that rhesus macaques with more grooming partners had larger brain areas for social decision-making and empathy, specifically the mid–superior temporal sulcus (STS) and ventral-dysgranular insula. The study suggests that social connections influence brain structure in nonhuman primates, with possible implications for h...
Dr. Kao, a renowned geriatrician, has created programs to serve older adults with advanced illnesses, tripling the capacity of UCSF's house calls program. She promotes diversity in geriatrics through her advocacy work and is an AGS member since 2007.
Researchers at MIT and NREL have designed a thermophotovoltaic cell that converts heat to electricity with over 40% efficiency, surpassing traditional steam turbines. The new design could enable a fully decarbonized power grid by storing excess energy from renewable sources.