Astronomers have been searching for low-frequency gravitational waves by monitoring pulsar pulses, but now NASA's Fermi Gamma-ray Space Telescope can also be used to detect these waves. The satellite's high-energy light provides a clearer view of pulsars and offers an independent method to detect gravitational waves.
Researchers from Texas A&M University found that the absence of a functioning Nrf2 gene affects prenatal growth, especially when exposed to ultrafine particulate air pollution. This study highlights a possible mechanism by which ultrafine particles can impact placental function and prenatal health.
Research suggests California's environmental regulations preferentially protect white populations from exposure to air pollution. Asian and Hispanic communities experience significantly more air pollution compared to predominantly white neighborhoods across the state. The study finds that even after accounting for income, disparities i...
Researchers at Osaka University and National Research Council Canada create a gallium arsenide quantum dot that can trap individual electrons. The development could help advance the field of quantum networks by efficiently converting photons into electron spins.
Researchers at the Babraham Institute have successfully developed a method to 'time jump' human skin cells by 30 years, restoring their specialized function. The new technique uses a partial reprogramming approach, allowing cells to retain their unique characteristics while still rejuvenating.
A recent study from Oregon State University found that Oregonians are more likely to perceive environmental and public health risks than potential financial gains from natural gas export. The study surveyed 500 adults and found that those with higher education, younger adults, women, people of color, and liberal or moderate political v...
Researchers found that sand lance embryos are highly sensitive to ocean acidification, with hatching success reduced to 71% by 2100. This could have severe impacts on the ecosystem, as sand lance are a critical component of the food web in the Northwest Atlantic.
A high-precision measurement of the W boson mass reveals a significant deviation from predicted values, indicating the need for revised or expanded theories. The finding highlights areas where the Standard Model is incomplete and may provide insight into physics beyond its scope.
A new large early ichthyosauromorph, Baisesaurus robustus, has been discovered in the Lower Triassic rocks of Zhebao, Guangxi Province, extending its geographic distribution. The fossil is estimated to be around 3m long and shares similarities with Utatsusaurus from Japan.
Finnish researchers created a comprehensive map of molecular interactions between 58 human receptor tyrosine kinases (RTKs), revealing key insights into their functions and roles in disease. The study's findings can aid understanding of diseases linked to abnormal RTK activity, particularly cancer.
A global survey of ocean RNA sequences has identified thousands of previously unknown RNA viruses, doubling the number of orthornavirans. The study reveals new insights into the evolution of RNA viruses, including a 'missing link' in retroelement evolution.
Researchers analyzed genomic profiles of over one million cells from 1,000 people, identifying a link between specific genes and immune cell types in autoimmune diseases. The discovery could lead to tailored treatments and refine clinical trials.
A machine learning model has been trained to accurately identify individuals with post-traumatic stress disorder (PTSD) by analyzing text data. The model achieved an 80% accuracy rate in distinguishing between those with and without PTSD. This breakthrough could lead to the development of a cost-effective screening tool for health prof...
A large-scale genetic study has identified 287 genomic regions associated with schizophrenia and 120 specific genes linked to the disorder. These findings provide new insights into the biological processes underlying schizophrenia, offering potential avenues for novel therapies.
Researchers studied cyclists in Tucson, AZ, revealing differences in behavior among commuters, recreational riders, and athletes. Infrastructure design can address these needs, such as separate paths and lanes for various types of cyclists.
A cohort study found an increased risk of serous retinal detachment, retinal vascular occlusion, and ischemic optic neuropathy among men taking phosphodiesterase type 5 inhibitors. The study suggests a potential link between erectile dysfunction medication use and vision impairment.
Researchers at University of Innsbruck and ETH Zurich propose a new concept for a high-precision quantum sensor using microcavities and levitated nanoparticles. By exploiting fast unstable dynamics, they demonstrate mechanical squeezing reducing motional fluctuations below zero-point motion.
Researchers found that pandemic shutdowns gave a window into environmental racism in California's air pollution policy, revealing disproportionate impacts on Hispanic and Asian communities. The study suggests policies targeting transportation emissions could have significant environmental justice impacts for these groups.
The University of Cincinnati researcher Xiaoting Zhang has been awarded a five-year grant renewal to continue his genetic driver study of breast cancer and potential therapeutic targets. Zhang's team discovered that the gene MED1 functions as a co-driver with HER2 in promoting tumor growth, spread, and treatment resistance.
Scientists at Newcastle University have identified a mechanism by which exercise reduces bowel cancer risk. Physical activity releases the protein interleukin-6 (IL-6), which helps repair damaged cells and slow tumour growth. This finding supports previous evidence that more exercise is better for reducing cancer risk.
The American Geriatrics Society honors Dr. Sharon Brangman's research on Alzheimer's disease, hospice, palliative medicine, depression, and end-of-life care. She will deliver the Henderson State-of-the-Art Lecture at #AGS22, focusing on diversity in study populations and community engagement.
Recent studies published in the Journal of Pharmaceutical Analysis have found applications of nanotechnology in medicine, drug research, and environmental protection. Researchers developed nanodots made of carbon using natural polysaccharides from mushrooms to detect chromium, and created nanozymes that could be used to detect drug con...
Researchers integrated computer functions into rolling DNA motors, enabling them to sense chemical information, process data, and respond accordingly. The motors can be programmed to detect specific pathogens or DNA sequences, making them a potential technology for medical testing and diagnostics.
PrEP users in Germany experienced infrequent testing, with 26.3% not following recommended frequencies for HIV, STI, and renal function testing. Regular testing is crucial to prevent missed diagnoses and manage asymptomatic STIs, particularly in MSM populations.
A study of 51,000 US veterans found a significant decrease in prostate cancer biopsies and diagnoses during the COVID-19 pandemic, with no racial disparity observed. The results suggest that the pandemic may have had a protective effect on prostate cancer diagnosis rates among Black and White veterans.
A Norwegian University of Science and Technology-developed nasal spray has been tested on over 200 acute overdose patients, restoring breathing in 80% of cases within 10 minutes. The study's findings suggest the nasal spray provides enough antidote for patients to breathe on their own while minimizing the risk of triggering abstinence.
A large US study confirms a strong link between ED medications and vision problems, including an 85% increased risk of developing serious eye conditions. Regular use of Viagra, Cialis, Levitra, or Stendra may lead to side effects such as age-related macular degeneration (AMD) and retinal vein occlusion (RVO).
Researchers found that negative online comments have little effect on brands with strong consumer relationships, while actually boosting purchase intentions in cases where reviewers are socially distant. Strong brand relationships and display of reviewer profiles are key to managing online reviews effectively.
A novel visible light-promoted transition-metal-free acetalation-pyridylation of alkenes has been developed, providing a sustainable way to introduce pyridine and valuable functional groups. The methodology enables diverse modifications of drugs with excellent functional group tolerance.
Researchers found higher rates of short and long sleep duration among Black individuals, with significant disparities affecting Black women and young adults. The study highlights health disparities associated with socioeconomic factors.
Researchers have engineered an optical device with functional characteristics similar to memristors, which can operate on quantum states of light and encode quantum information. This breakthrough enables the creation of a quantum memristor, potentially bridging artificial intelligence and quantum computing.
Researchers at Ludwig-Maximilians-Universität München discovered the mechanism by which DELE1 detects organelle stress and reports it to the cell. This process involves the continuous importation of DELE1 into mitochondria, processing by proteases, and degradation within the mitochondria.
Researchers have identified a critical vulnerability in high-risk multiple myeloma patients with co-occurrence of chromosome abnormalities. The study reveals that cells lacking p53 and NEIL1 genes are reliant on the Chk1 pathway, suggesting a synthetic lethal relationship.
Researchers developed a procedure-specific risk calculator to encourage changes in patient behaviors before surgery. The machine learning models accurately predicted which patients were most likely to experience complications or hernia recurrence after ventral hernia repair.
Scientists are working on understanding the interplay between flaviviruses and mitochondria in hopes of finding new treatment options. By deciphering this process, researchers may be able to find broad-spectrum therapeutic targets for diseases like Zika, dengue, and West Nile.
Researchers at CU Cancer Center have developed a lead drug that inhibits the oncogene CHD1L, a chromatin remodeling enzyme that aids tumor progression and metastasis in many cancer types. The drug, called 6.11, has shown promising biological activity against CHD1L.
Researchers found that early European farmers were on average 1.5 inches shorter than their pre-agricultural counterparts. Heights steadily increased through the Copper, Bronze, and Iron ages, with some parts of Europe experiencing a height loss. The study suggests that environmental factors contributed to the decrease in heights.
Researchers at McGill University argue that urban runoff toxicity is a growing concern due to increasing urbanization, impacting surface water quality and aquatic ecosystems. Sustainable strategies such as retention ponds and settling tanks can be implemented to control pollutant release and mitigate ecological impacts.
Researchers have developed RNA molecules that selectively target human pancreatic beta cells, allowing for the delivery of therapies directly to these cells. This breakthrough enables the study of diabetes progression and provides new opportunities for precision treatments.
A new study demonstrates the generation of functional primordial germ cell-like cells from rat stem cells, allowing for the birth of normal offspring. The findings provide insights into conserved and divergent mechanisms essential for successful in vitro gametogenesis.
A team recreated a 3D model of an ancient Roman house and tracked the gaze of participants as they viewed it, uncovering details about the owner's personal power and status. The study uses VR and eye-tracking technology to gain insights into the past.
A study tracking children for up to half a century found five childhood risk factors predict fatal and non-fatal cardiovascular events in adulthood. The findings emphasize the importance of preventive strategies starting in childhood.
Researchers at UC Riverside have discovered that curcumin promotes vascular endothelial growth factor (VEGF) secretion, helping to grow engineered blood vessels and tissues. The study uses magnetic hydrogels coated with curcumin-coated nanoparticles, which gradually release the compound without injuring cells.
Researchers highlight the need for a holistic approach to managing whale mortality in California's waters. The study identifies five main causes of death, but also emphasizes the importance of addressing nutritional stress, disease and predation to provide a comprehensive conservation strategy.
A decade-long study of over 17,000 South Africans found a significant link between community disasters and depression onset. Vulnerable groups showed the greatest risk increase, underscoring the need for targeted support.
A global survey found that podcast listeners tend to be more open-minded and intellectually curious than non-listeners. The study aimed to understand motivations and outcomes of podcast listening, revealing positive effects on mental health and well-being.
A new analysis found that domestic dryers produce far more microfibers than washing, but using fabric conditioners and lint filters with smaller pore size can significantly reduce their release. The study suggests improving dryer design or switching to heat-pump condenser dryers as the best long-term solution.
A team of researchers developed a biomedical imaging system using a semiconductor detector originally designed for space observations, and applied spectral analysis techniques from astronomy to create accurate images of radionuclides in small animals. The new method uses fitting to eliminate noise and improve spatial resolution.
Researchers sequenced DNA from hundreds of bryozoan specimens to study their evolution. They found that species with brooding chambers had higher diversity, as these structures confer a clear benefit to the parent colony.
A recent analysis found that more than half (59%) of cancer survivors and patients experience at least a moderate level of fear of cancer recurrence. Younger people and women are disproportionately affected. Researchers emphasize the need for tailored interventions to address this common concern.
The University of Cambridge has been awarded a £3.67m Critical Mass Grant to advance its world-leading research on dynamical phenomena in condensed matter physics. The grant will support the development of new theoretical models that capture and explain experimental properties, making testable predictions about new phenomena.
Researchers developed new method to visualize CNS fibroblasts and their intercellular interactions in the CNS. The technique provides a detailed picture of CNS fibroblasts, including their location, size, morphology, and gene/protein expression patterns.
Researchers have discovered that P. malariae, a malaria parasite infecting humans, originated in African apes before evolving to infect people. This breakthrough reveals the evolutionary links between the two species and sheds light on how the parasite adapted to infect humans.
A study of 470,000 rural US veterans found that receiving a video-enabled tablet during the COVID-19 pandemic led to increased use of virtual mental health care services. This resulted in reduced emergency department visits and suicide-related behavior, highlighting the benefits of telehealth in rural areas.
Scientists have created a new technology using colour pigments from the food industry to stimulate nerve cells with the help of implantable mini solar cells. This innovation could lead to accelerated healing and prevention of complications in severe brain injuries, as well as potential applications in pain therapy and retinal implants.
Researchers have developed a new implant that reduces ghrelin levels and body weight gain by half when exposed to laser light, offering a minimally invasive treatment option for obese patients. The implant uses a laser-activated dye to kill cells producing the 'hunger hormone'.
The study found a significant increase in COVID-19 vaccinations after the Pfizer-BioNTech vaccine received full FDA approval in August 2021. Researchers observed improved vaccination rates among US adults, highlighting the impact of full approval on vaccination uptake.
A team of University of Minnesota researchers has discovered the molecular properties of lung surfactants, which could lead to improved treatments for respiratory illnesses such as pneumonia and COVID-19. The study found that synthetic lung coatings can help premature infants and adults with respiratory problems breathe easier.
A Rutgers-led study found that women who experience fewer orgasms during sex tend to expect and desire less pleasure, perpetuating the 'orgasm gap' in relationships. The research suggests increasing women's expectations for orgasm can help break this cycle and improve overall sexual satisfaction.
Researchers developed an audio-tactile sensory substitution device (SSD) that converts sound frequencies to vibrations, significantly improving speech comprehension in noisy environments. The technology has shown promise in training hearing-impaired individuals to better understand speech.