Archaeologists have discovered the oldest known abstract drawing made with a piece of ocher used as a pencil, dated to 73,000 years ago. The drawing, found on a silcrete fragment in Blombos Cave in South Africa, confirms that early humans intentionally created and used symbols.
Researchers used laboratory economic games to demonstrate that societal stereotypes about group warmth and competence can predict treatment disparities. The study found patterns of disparity similar to those documented in educational and labor markets.
Researchers found that geographically isolated populations of parasitic blister beetles use distinct adaptations to target different host bee species. The larvae emit chemical cues tailored to the pheromones of local hosts, attracting male bees and exploiting their nests.
Researchers developed a new predictive model for multilateral war, finding that without a dominant player, the likely outcome is mutual annihilation. The Lanchester multiduel model considers three or more players and their objective to maximize surviving numbers.
Researchers discuss bivalirudin's role in reducing bleeding complications and its potential for increased acute stent thrombosis risk. The study aims to clarify the optimal anticoagulation strategy for interventional cardiovascular procedures.
A two-year study in Vancouver and Toronto reveals large trucks are the greatest contributors to black carbon emissions close to major roadways. The study suggests retrofitting older diesel trucks with better emission treatment systems can improve air quality in cities.
Researchers found that nucleosomes inhibit Cas9 binding and target DNA cleavage in yeast cells, but not zinc finger nucleases. Nucleosome position maps may improve genome-editing efficiency for certain applications.
Research found that the intensity of shame people feel when imagining various actions accurately predicts the degree to which those actions would lead others to devalue them. This universal human quality helps individuals balance personal costs and benefits with social costs and benefits.
A Swiss research team has identified a factor influencing immune response in HIV-1 infected individuals: the virus genome. Broadly neutralizing antibodies were found to target envelope proteins with varying levels of efficiency.
Research reveals obesity activates microglia, consuming healthy synapses and leading to dendritic spine loss. Microglial activity is causally linked to obesity-induced cognitive decline, suggesting a potential therapeutic target for this condition.
Repeated binge drinking alters gene expression in the brain, affecting hormone signaling and immune function in females, while nerve signaling is impacted in males. This study highlights the importance of tailoring treatments for male and female patients with alcohol use disorder.
Tropical Storm 27W is forecast to intensify over the next three days before making landfall on Sept. 13 over China's Luichow Peninsula. The storm will then emerge into the Gulf of Tonkin, making a final landfall north of Hanoi, Vietnam.
Researchers created a system with just seven photons and found that phase transitions occur in these small systems, allowing for the study of quantum properties. This discovery has potential applications in measurement or sensing, as well as exploring properties at the smallest scale when phase transitions occur.
The University of Oklahoma team has received a National Science Foundation Major Research Instrumentation grant to develop the OU and Regional Research Store, a massive tape archive serving as a national model. The project will provide affordable storage for over 85 research teams across 27 institutions in 17 states.
Researchers at Southwest Research Institute studied the Patroclus-Menoetius binary asteroid pair and found that its existence indicates an earlier dynamical instability. This instability pushed Uranus and Neptune outwards, scattering small bodies into the Kuiper Belt, where they formed the Trojan asteroids.
A study published in Canadian Medical Association Journal found that patients with acute critical illness without pre-existing kidney disease are at increased risk of developing chronic kidney disease and end-stage renal disease. The study also shows that these patients have a higher risk of death.
A new study published in CANCER journal reveals that social support is the most decisive factor associated with life satisfaction among young patients with cancer. The research found that young adults with cancer who have strong social connections experience higher life satisfaction, regardless of other factors.
The Ben and Catherine Ivy Foundation has partnered with Barrow Neurological Institute to fund a $50 million effort to accelerate drug discovery and clinical testing for glioblastoma. The new Ivy Brain Tumor Center aims to provide individualized experimental therapies to malignant brain tumor patients worldwide.
Biologists have discovered that amphipods carry pteropods piggyback to avoid predators, but these pteropods starve due to limited access to food. The association may provide protection for both animals, but its benefits are still unclear.
NASA's Aqua satellite detected a thick ring of powerful storms around Hurricane Isaac's central dense overcast, with coldest cloud tops reaching minus 70 degrees Fahrenheit. The storm is expected to strengthen over the next day or two before weakening by the middle of the week.
New research suggests global warming will cause peatlands to absorb more carbon initially, but the effect will weaken as warming increases. The study highlights the importance of protecting intact peatlands and restoring drained peatlands to prevent rapid rates of peat decomposition.
In a study led by the Max Planck Institute for Evolutionary Anthropology, researchers found that active participation in group-hunts increased successful hunts and encouraged sharing of meat among chimpanzees. Oxytocin activation during hunting behavior also supported cooperative interactions.
Mice deficient in tPA exhibited greater white matter damage and cognitive function loss after TBI, while tPA treatment improved neurological function. The study suggests a potential therapeutic target for recovering from TBI.
New research reveals that low-severity burns weaken soil structure, increasing risk of erosion, while also releasing organic carbon into the atmosphere, contributing to climate change. Soils in burned areas show deteriorating physical properties over weeks and months.
A team of engineers and physicians at USC and UC San Francisco developed a novel decoding technology that can predict mood variations from neural signals in the human brain. The study may lead to new closed-loop, tailored therapies for depression and anxiety disorders.
Scientists at the University of Cambridge have developed a new technique to determine the structure and interactions of the Zika virus genome inside human cells. This technique, called COMRADES, can screen for host-virus RNA base-pairing and reveal interacting sequences, offering potential targets for anti-viral therapies.
Research by UPNA finds that muscle strength training can reverse age-related muscle loss and improve cardiovascular health. The study emphasizes the importance of considering physical exercise as a treatment for cardiovascular diseases.
UTSA researchers have developed numerical models to replicate toxic gas dispersal, allowing for accurate projections of deadly gas trajectory. The tools can help direct evacuations in as little as 10 minutes.
A new study by the JRC found that adopting a healthy diet could reduce the water footprint by 11-35% for meat-based diets, 33-55% for pescetarian diets, and 35-55% for vegetarian diets. This shift towards a more resource-efficient vegetable-rich diet is crucial due to the high water footprint of animal products.
Researchers at McMaster University have identified a previously unknown cell population that triggers the return of acute myeloid leukemia after remission. This discovery provides a potential new target for therapies and offers hope for improving treatment outcomes for patients with leukemia.
The RAND Opioid Policy Tools and Information Center (OPTIC) will analyze policies aimed at curbing the nation's opioid epidemic, developing more powerful tools for tackling the crisis. Researchers will create a simulation tool to inform methods for identifying effective policies in specific communities.
Researchers analyzed precipitation and temperature records with NDVI data from 1982-2011 to find a shift in the climate factors controlling vegetation dynamics on the central and southeastern Tibetan Plateau. The study suggests that global warming may be contributing to this change, potentially impacting regional ecosystems.
A new Clemson University program, THINKER, aims to close the skills gap in advanced manufacturing by matching graduate students with technical college students. The program will equip students with both technical and soft skills, including communication and collaboration.
Two research letters examine the impact of Medicaid work requirements on recipients, estimating the number at risk of losing coverage and calculating associated spending. State-level estimates also provide insight into those meeting proposed work requirements.
A recent Arizona State University study reveals that intergranular stress-corrosion cracking can occur independently of simultaneous stress and corrosion, highlighting the need for new corrosion-resistant alloys.
A recent study by Boston Medical Center found that only 24% of youths receive FDA-approved medications for opioid use disorder within three months of diagnosis. Patients who receive medication are more likely to remain in treatment compared to those who only receive behavioral health services.
UCLA engineers have developed a new computational tool that accurately models how magnetic materials interact with incoming radio signals at the nanoscale. This allows for the design of next-generation communications devices with improved data transport capabilities and reduced noise interference.
Tropical Storm Paul is experiencing wind shear, displacing its strongest storms from the center. This displacement has led to a lack of well-organized convection and minimal banding features, according to the National Hurricane Center. As a result, weakening is forecast, and Paul is expected to become a remnant low in a few days.
A new study simulates the effects of wildfire smoke on human health, predicting that deaths from chronic inhalation of wildfire smoke could increase to over 40,000 per year by the end of the 21st century. The number of fire-related particulate matter deaths is expected to more than double in the worst-case-scenario prediction model.
A study reveals that intermittent flooding in rice cultivation leads to higher nitrous oxide emissions, potentially up to 30-45 times higher than continuous flooding. Co-management of water, nitrogen, and carbon can reduce climate impacts by 10-90%.
The use of intravascular ultrasound guidance during percutaneous coronary intervention has been shown to improve clinical outcomes, particularly in reducing ischemia-driven target lesion revascularization. IVUS guidance has also been associated with a decrease in intraobserver variability in angiographic borderline lesions.
Researchers at Cincinnati Children's Hospital Medical Center genetically deleted Ago2 from the livers of mice, stabilizing energy metabolism and preventing obesity and diabetes. The study provides a solid basis for further research into novel therapeutic approaches to treat chronic metabolic disorders.
Researchers create device that reduces energy needed for magnetic field detectors, enabling applications in navigation, medical imaging, and natural resource exploration. The technology uses nitrogen-infused diamonds to detect magnetic fields with lower power consumption.
Researchers at MIT CSAIL have developed a robot system that can inspect and understand objects, allowing it to perform specific tasks such as picking up objects from a cluttered space. The system, called Dense Object Nets, uses a self-supervised approach and doesn't require human annotations.
Researchers identify β-Hydroxybutyrate as a molecule with anti-aging effects on the vascular system. The compound can delay cellular aging and promote cell division, potentially reducing the incidence and severity of human diseases such as cardiovascular disease and Alzheimer's disease.
A team of researchers from the University of Minnesota and University of Massachusetts Amherst has developed a method to predict molecular motion with high accuracy when confining molecules in small nanocages. This breakthrough discovery could improve the production of fuels and chemicals, as well as capture CO2 from the air.
A study at UCSF discovered how a mutation in the TERT promoter gene confers immortality on tumor cells, enabling their aggressive growth. Eliminating a specific protein subunit using CRISPR-based gene editing slowed cancer cell growth.
Typhoon Mangkhut brought damaging winds to Guam and the Northern Marianas Islands, with sustained winds reaching up to 115mph. The storm is expected to intensify through Wednesday, September 12, before moving away from the region.
A study found that chronic stress alters blood flow regulation in specific brain regions, including the temporal and prefrontal cortex. The researchers suggest understanding these changes may aid in assessing individuals' risk for stress-related illnesses.
A national analysis of physician visit records found that nearly 30 percent of outpatient opioid prescriptions lack clear documentation of the reason for use. This raises concerns about inappropriate prescribing and lax documentation practices. The study highlights the need for stricter requirements on documenting the need for opioids.
Researchers found gene cassettes transfer across generations in strawberry plants, leading to sex chromosome changes and homomorphic female heterogametic inheritance. The discovery sheds light on the mechanisms behind sex chromosome evolution and has implications for creating new crop varieties.
PolyU has received a generous HK$100 million donation from Ir Dr Otto Poon for strategic research in smart city, smart mobility, and sustainable energy. The fund will support the establishment of two research institutes and two endowed professorships.
Natural Killer cells have been found to play a key role in responding to checkpoint inhibitors, which are transforming the treatment of cancer. Researchers discovered that these cells can produce the same checkpoint receptor molecules as T cells, enabling them to respond directly to the therapy.
A microfluidic device created by Cornell University scientists can corral viable sperm in minutes, improving IVF chances. The device uses rheotaxis to separate highly motile sperm from weaker ones, reducing the time-consuming and tedious process of conventional methods.
Human clinical trials for DesignMedix and Portland State's anti-malarial drug DM1157 have begun, assessing the drug's safety and absorption in healthy volunteers. The Phase I study aims to overcome growing resistance among malaria medicines, with potential approval for treatment of millions.
Researchers at Hokkaido University create photoelectrode that harnesses 85% of visible light, 11 times more efficient than previous methods. The innovative design uses gold nanoparticles to absorb a broad range of wavelengths, enabling efficient conversion of sunlight into renewable energy.
A pilot initiative found that home blood pressure monitoring improved hypertension control in 86% of patients. The study also showed significant cost savings from reduced office visits and emergency department costs.
A study presented at the American Heart Association's Joint Hypertension 2018 Scientific Sessions found that lifestyle changes, including a healthier diet and regular exercise, can greatly decrease the number of patients who need blood pressure-lowering medicine. By making these changes, nearly half of participants were able to reduce ...
A study has identified a single gene called insulin-like peptide 2 (ILP2) as the key determinant of queen and worker roles in ants. The gene is activated by better nutrition and stimulates ovaries to trigger reproduction, explaining the emergence of social behavior in insects.
Researchers found that acute changes in extracellular matrix components can trigger rapid changes in cell metabolism and migration, potentially leading to cancer metastasis. The study suggests targeting tumor metabolism by altering the extracellular matrix could lead to new cancer treatments.