A new app calculates individualized mortality risk assessment for cancer patients receiving immediate versus delayed treatment. The OncCOVID app draws on global cancer and coronavirus data to create personalized assessments, providing doctors with a tool to balance treatment needs against COVID-19 risks.
Scientists have introduced nanodevices into mammalian cells to study the processes governing development and cellular behavior. The tiny devices measure forces exerted within the cell interior, providing insights into how intracellular matter rearranges itself over time.
Scientists at the University of Tsukuba developed a new anti-counterfeiting system using whispering-gallery waves and dye particles, creating a unique color pattern that can't be duplicated.
A climate game developed by Max Planck researchers shows that global cooperation can be possible -- although not without effort. The study found that richer countries rarely stopped climate change and migration, while poorer countries supported a minimum level of climate protection.
The asteroid impact at an estimated 60-degree angle led to the release of massive amounts of sulphur into the atmosphere, blocking sunlight and causing a nuclear winter. This event ultimately contributed to the extinction of dinosaurs and 75% of life on Earth 66 million years ago.
Researchers developed a novel clinical decision support system to predict individual trauma patient outcome based on historical data and real-world evidence. The system uses an evidential reasoning rule to process clinical signs and symptoms, identifying patients at risk of adverse events such as ICU admission or in-hospital death.
A recent study found that tropical biodiversity in the ocean is declining, with a potential decrease in diversity by the end of the century. The research, led by Drs Moriaki Yasuhara and Timothy C Bonebrake, used fossil records to project future marine biodiversity patterns.
Researchers find ozone sterilization method effective in killing COVID-19 virus, as well as other viruses like poliovirus and rotavirus. Ozone-based sanitizers like SoClean can be used to sterilize masks for reuse.
A new momentum microscope has been built at BL6U of UVSOR, enabling direct observation of Fermi surface and band structure of µm-sized targets. The device achieves spatial resolution of 50 nm for microscopy measurement and resolves photoelectron spectra in both real space and momentum space.
Researchers discovered that lumefantrine, an FDA-approved anti-malarial drug, can inhibit the genetic element Fli-1 controlling resistance to radiation and chemotherapy in glioblastoma multiforme. Lumefantrine also suppresses tumor cell growth and inhibits key processes regulating cancer invasion and spread.
Researchers at Johns Hopkins Medicine have found that the RT-PCR test can produce false negatives in COVID-19 diagnosis, particularly in early stages of infection. The study suggests that the predictive value of these tests may be less accurate than previously thought.
A comprehensive workplace wellness program, iThrive, was found to have no significant effect on employee health measures or medical use. However, it did improve self-reported health beliefs and the proportion of employees reporting having a primary care physician.
Olaparib, a PARP inhibitor, targets genetic mutations in advanced prostate cancer patients with BRCA1 and BRCA2. The FDA approved the drug for homologous recombination repair gene-mutated metastatic castration-resistant prostate cancer.
A team of researchers led by Jung-Bum Shin identified Myosin-VIIa as a crucial protein in maintaining proper tension in hair cell mechanoreceptors, enabling sound detection. The discovery sheds light on the biological architecture of hearing and may lead to new treatments for hearing loss.
Researchers found chimpanzees produce lip-smacks at a speech-like rhythm of 4.15 Hz, confirming the existence of a continuous path in the evolution of primate mouth signals with this rhythm. This discovery supports the theory that spoken language evolved from existing primate communication systems.
Research reveals that natural products ingested by pregnant women can be broken down into harmful substances by the intestinal microbiota. This can pose a risk to the unborn child's development and immune system.
A new study published in Experimental Physiology found that fire service instructors experience higher levels of inflammation, which may lead to chronic health problems. The researchers suggest limiting their exposure to nine times per month to reduce the risk of cardiovascular disease.
A recent study found that birds in eastern North America are shifting their breeding ranges in response to climate change. Some species, such as Carolina wrens and red-bellied woodpeckers, may be resilient to future changes, while others, like Neotropical migratory birds, are experiencing range contractions. The research highlights the...
Researchers found that taking doxycycline had no effect on reducing the growth of abdominal aortic aneurysms over two years. The finding could lead to a change in treatment for life-threatening vascular conditions.
A new NUI Galway study estimates the economic value of lost productivity from workplace bullying in Ireland, totaling 1.7 million workdays lost at a cost of €239 million annually. The research also finds that bullying has a larger effect on absences in private sector organizations.
Developing frog embryos damaged by nicotine exposure can be repaired with ionoceuticals that restore bioelectric patterns, leading to normal anatomy and gene expression. The discovery offers a roadmap for exploration of therapeutic drugs that could help repair birth defects in humans.
The release of 216 SARS-CoV-2 genomes from Austria provides insights into the virus's transmission cluster and genetic diversity. The data analysis reveals a highly diverse pool of circulating viruses, with some leading to bigger transmission clusters, and identifies key mutations in the viral S protein.
A University of Michigan study found that up to 60% of students in certain schools vape daily, highlighting the importance of understanding individual and school-level factors driving e-cigarette use. The study's findings suggest that tailoring interventions to specific school environments can be effective in reducing vaping prevalence.
Scientists at Tokyo University of Science discovered a primitive protein synthesis system in Nanoarchaeum equitans, which may have inspired the development of modern aminoacyl-tRNA synthetases. The study found that an ancient enzyme can add alanine to tRNA and minihelix regions independently of a specific base pair.
Six-month-old infants recognized when adults imitated them and responded with longer gazes and approaches. The babies engaged in imitation games and showed testing behavior even when the researcher's emotions were neutral.
Researchers at Duke University have developed flow-through electrodes that can store hydrogen more efficiently than conventional electrolyzers. The new design increases the surface area of the electrode to allow for faster and more productive water electrolysis, with potential implications for affordable renewable energy storage.
Scientists identify key proteins required for autophagy gene transcription during fasting, enabling activation of autophagic pathways to maintain a normal body weight. The discovery provides new insights into the molecular mechanisms underlying autophagy and its potential therapeutic applications.
The deep ocean is warming at a slower rate than the surface, with climate velocity accelerating to 11 times the present rate in waters between 200-1000 metres by the end of the century. This poses huge challenges for protecting areas and mitigating threats to deep-sea life.
A study of 175 reports found that 32.3% of North American perching birds defend their territories against other species, with hybridizing species more likely to do so. Resource competition is a key driver of territorial behavior in these birds.
A new study by University of Wisconsin-Madison researchers reveals that silicon carbide's grain boundaries are susceptible to radiation-induced segregation, affecting the material's chemistry. This discovery could aid in fine-tuning ceramic materials for high-tech applications like nuclear energy and jet engines.
Researchers have developed an efficient way to create micro-combs and exploit them in highly performing and robust frequency multiplexed optical fibre networks. This breakthrough enables the record-high data transmission over 75 km of standard optical fibre using a powerful class of micro-comb called soliton crystals.
Researchers created a physical-economic model analyzing collision risk, orbital debris, and satellite counts from 1957-2017. Imposing a tax on orbiting satellites could increase the industry's value by decreasing these risks and amount of space debris.
Researchers have developed UVC LEDs emitting at 230nm that can destroy microorganisms without allowing resistances to develop. The system achieves high irradiation power and uniformity, making it suitable for killing MDR pathogens and inactivating coronaviruses.
Researchers have assessed the diversity of freshwater molluscs in the Circumpolar region, finding 104 species. They attribute their ability to survive in the Arctic to biological traits such as hermaphroditism and air travel.
A study found significant gender imbalance in medical imaging datasets used to train classifiers, leading to biased AI-based diagnostic systems. The analysis showed that underrepresented groups were misclassified more frequently than the majority group.
Researchers analyzed child brain activity using fMRI to predict working memory abilities during development. The study found that brain network activity in the frontoparietal network was unique to working memory and reflected individual capabilities.
A study found that rats could identify the rhythmic structure of a song while ignoring changes to the melody. This suggests that the principles of rhythmic organization in music are also present in other animals, including humans. The results indicate that this cognitive ability has very deep evolutionary roots.
A new study calls for a radically different approach to addressing deforestation, focusing on understanding how individuals make choices about forests and livelihoods. Researchers propose using specially designed board games to help stakeholders align forces despite differing values and worldviews.
A genome-wide analysis has identified 19 new genetic risk factors for problematic alcohol use and confirmed 10 previously known factors. The study also found shared genetic associations with psychiatric disorders such as depression and anxiety.
The study reveals that imidazole catalyzes the formation of prebiotic peptides, shifting the activation site from N-terminus to O-terminus. This finding sheds light on the origin of life and proposes a new hypothesis for its emergence.
Researchers have developed an antibody that can accurately detect and quantify toxic amyloid-beta oligomers, a hallmark of Alzheimer's disease. This discovery could lead to improved diagnostic methods and ultimately help monitor the progression of the disease.
Researchers found that small and independent stores had fewer resources for place management than large chain stores, making it harder to control neighborhood crime. However, improved law enforcement and manager training may help reduce crime in areas with high density of alcohol sales outlets.
Researchers developed plasmonic metasurfaces that can be tuned with polarization light, providing efficient saturable absorption for ultrafast lasers. The metasurfaces achieved stable self-starting ultrashort laser pulse generation with a modulation depth of up to 60%, outperforming previous studies.
Researchers have developed a new combined treatment using a senescence inducer and a senolytic nanoparticle that selectively removes senescent cells, delaying tumor growth and reducing metastasis in aggressive breast cancer. The study provides new therapeutic methodologies to be developed in subsequent stages and clinical trials.
Researchers have developed a new electrode material that can improve the efficiency and economic feasibility of salinity gradient power generation using reverse electrodialysis. The material, molybdenum disulfide thin films, was synthesized directly on the electrode current collector surface to enhance electrochemical activity.
French prehistory saw two significant migration waves: Neolithic and Bronze Age, which mixed with native hunter-gatherers. The study found that 7,000 years of admixture between these groups still influences the genomes of French people.
Researchers reveal that glass frog translucency acts as a unique form of camouflage, but with a mechanism different from true transparency. The 'edge diffusion' strategy involves a diffuse gradient between the frog's color and its surroundings, making it harder to spot.
Researchers at UC Davis developed a new double-contrast technique that uses magnetic resonance imaging to detect small tumors in normal tissue. The technique, called two-way magnetic resonance tuning (TMRET), increases the signal contrast between tumors and surrounding tissue, enabling more sensitive detection of early-stage tumors.
The analysis of ancient genomes has revealed how demographic events such as migrations have spurred major cultural shifts in France. The study found that Magdalenian-associated ancestry survived beyond the Iberian Peninsula, and that Neolithic people who migrated to France descended from Anatolian farmers.
Studies found that migratory bird species shifted their breeding ranges northward, while resident species expanded their ranges in response to climate change. This suggests that some species may be resilient to future changes, but others may face greater vulnerability.
A new study suggests that implementing orbital-use fees for satellites in orbit could reduce collision risk and increase the industry's long-run value. The fees, which would be calculated based on projected costs of additional collision risk and space debris production, could quadruple the value of the satellite industry by 2040.
Researchers predict novel helium-methane compound He3CH4, stable under high pressure, with unique phase transitions upon heating. The compound's van der Waals interactions facilitate efficient heat transport, affecting a planet's interior and surface temperature.
Researchers developed a model of the early embryonic brain, enabling them to study brain development and create tissue that resembles an embryonic brain. This breakthrough paves the way for faster production of specific nerve cells for stem cell therapy.
Researchers demonstrate that locally observed robot distribution can correlate with environmental features, such as exits in office-like environments. This approach enables trapped office workers to navigate their way out of a collapsed building, even in scenarios where robots lack communication or sensors.
Astronomers have created the most detailed evolutionary history of the Milky Way up to now, combining apparent luminosity with measured distance and accurate star models. The study reveals well-defined periods of great activity in star formation, including dramatic episodes that stimulated new star creation.
Scientists analyzed tiny tungsten ditelluride crystals and detected characteristic oscillations indicating current flows along narrow edges, supporting theoretical predictions of higher-order topological material properties.
A new study by researchers from McGill University and the University of Toronto finds a cross-partisan consensus on battling COVID-19 in Canada. Canadians from different political parties are taking similar social distancing measures and expressing similar levels of confidence in the federal government's response.
A fatal case of Lyme carditis in a previously healthy man illustrates the challenges of diagnosing Lyme disease. Early treatment with antibiotics is crucial to prevent complications, especially in patients presenting with heart palpitations or atrioventricular block.
Researchers have found that genetic mutations from birth can promote cancer metastasis, with a single gene variant ApoE4 associated with slower tumor growth and better immune response. This discovery may lead to personalized treatment approaches for patients based on their genetics.
A recent study published in Annals of Internal Medicine found that loss of smell and taste are common symptoms of COVID-19, particularly among hospitalized and ambulatory patients. The researchers suggest that anosmia may not be related to nasal obstruction or inflammation.