A recent study by the American Psychological Association found that officers worried about appearing racist report lower confidence and increased support for coercive policing. The research suggests a vicious cycle where officers' concerns about stereotype threats lead to decreased moral authority and more aggressive policing tactics.
Researchers analyzed DNA from Gibraltar Neanderthal remains found in 1848 and 1926, finding that some sequences were deaminated due to damage, while others showed significant human DNA contamination. The study suggests it is possible to analyze ancient DNA in highly contaminated specimens using a specific preparation method.
Researchers have developed a method to test building material samples for signs of high-enriched uranium (HEU) use. The technique involves analyzing small core samples using hardware similar to radiation dosimeter badges.
A new study published in The Plant Cell found that plant immune systems vary between species, contradicting previous assumptions based on Arabidopsis thaliana research. Researchers used CRISPR/Cas9 genome editing techniques to investigate the tobacco plant Nicotiana benthamiana's immune response.
The program has fast-tracked LPG consumer enrolments by about 16 months, with consumption estimates half that of average rural consumers. However, to fully realize health and environmental benefits, incentives are needed for sustained LPG use.
Researchers develop Nanobodies that target the Sap S-layer protein on the surface of the anthrax bacterium, slowing its growth and killing it. The study provides hope for a new treatment option to combat this deadly disease.
A new study found that videogames, as part of an emotional intelligence training program, can enhance teenagers' evaluation and expression of emotions. The game, EmotivaMente, was designed to promote emotional intelligence among adolescents and showed promising results in this area.
A large-scale clinical trial has demonstrated that cannabis-based medication can effectively reduce the rate of relapse in individuals with cannabis dependency. Participants treated with nabiximols used significantly less illicit cannabis and showed improvements in physical and psychological well-being.
Ibrahim Tarik Ozbolat has received $1.5 million in grants to explore ways to bioprint biological tissues like bone, lungs and other organs for use as models in various studies. The projects will investigate current questions about bioprinting of cell spheroids and develop 3D printed models of the lung and upper respiratory environment.
A clinical trial is underway to treat acid attack victims with a revolutionary new approach using collagenase enzyme. The treatment aims to restore sight by softening the underlying tissue and allowing stem cells to repair damage.
Tropical Storm Barry moved slowly north through Arkansas and Louisiana, causing widespread flooding along the Mississippi River. The storm dropped up to 15 inches of rain in some areas, with local flash flooding remaining a likely threat.
A new coating of niobium-tin (Nb3Sn) has shown promise for reducing the cost of operating superconducting radio-frequency cavity resonators. The material could allow for operation at lower temperatures and withstand higher electromagnetic fields, saving millions in construction and electricity costs.
A cross-sectional study published in Pediatrics found that states with stricter firearms laws had a 35% lower firearm-related death rate among children. The study also showed that universal background checks for firearm purchases were associated with lower mortality rates.
The Bureau of Reclamation has awarded $5.1 million in research grants to develop new, cost-effective ways to desalinate and treat impaired water. Laboratory-scale projects will focus on determining the viability of novel processes and materials, while pilot-scale proposals will test larger-scale technologies.
A study published in Nature Immunology reveals that HIV drug therapy leaves 'holes' in the immune system, which may contribute to the lack of viral control. The researchers identified key differences in gene expression between HIV patients with and without effective immune responses.
Researchers have deciphered how marine bacteria degrade algae biomass, unlocking potential for sustainable chemistry and bioplastics. The study reveals complex biochemical pathways and identifies new enzymes for targeted use in fermentations and product synthesis.
A global survey found widespread adoption of WHO's 'Treat All' HIV guideline across 200+ HIV clinics in 41 countries. Sites generally initiate treatment within 14 days of diagnosis, with rapid roll-out and no significant differences by region or facility characteristic.
Researchers studying functional hyperemia found that blood flow to brain cells increases when neurons are activated, and this response may be beneficial for the health of neurons. The study aims to clarify the link between neural activity and blood flow changes, which could improve our understanding of brain diseases like Alzheimer's.
Researchers have identified a single gene variation responsible for non-male-producing (NMP) trait in Daphnia, a type of planktonic crustacean. The discovery sheds new light on the species' unique reproductive strategies and could lead to innovations in fertility treatment or pest management.
Researchers found baby eastern blue-tongue lizards learn at adult levels from a young age, outperforming their adults in cognitive tasks.
Research aims to reprogram immune system cells to target urothelial bladder cancer, a high-recurrence rate type with limited treatment breakthroughs. The new immunotherapy strategy could revolutionize bladder cancer treatment and increase survival rates.
Researchers developed a reusable device using carbon dioxide to power a cancer tissue-freezing probe, eliminating the need for expensive argon and anesthesia. The tool shows promise in reducing complications and increasing accessibility to breast cancer treatment in lower-income countries.
Researchers have identified ceramides, a type of lipid, as key contributors to neuronal damage in progressive multiple sclerosis (MS) patients. The study found that exposure to cerebrospinal fluid from progressive MS patients caused mitochondrial dysfunction and increased energy demand, leading to neuronal demise.
Researchers developed an AI program called Pluribus that defeated leading professionals in six-player no-limit Texas hold'em poker. The AI uses a limited-lookahead search algorithm to develop strategies for situations with incomplete information.
A recent study by UNLV researchers found that players cannot reliably detect differences in how much and often a slot machine pays, despite common perceptions. The study used two identical machines with varying payouts over nine months, showing no statistically significant indication of play migration from higher to lower payout games.
Female students with high math proficiency tend to excel in reading, closing the gender gap in math-related fields. The study suggests that comparative advantage in math over reading contributes up to 80% of the gender gap in math studies and careers.
Researchers find that introducing a controlled amount of fluorine enhances the growth rate of 2D materials like graphene, h-BN, and WS2. This allows for faster production of high-quality films, reducing synthesis time by up to 70%. The study demonstrates a promising approach to controlling the growth of 2D materials.
Researchers found that removing new neurons born after a brain injury reduced seizures in mice, with a 65% decrease observed. This approach may potentially prevent post-injury epilepsy if implemented within a specific time frame.
A new study has found that HIV can be detected in the central nervous system of patients on long-term antiretroviral therapy, linked to poorer cognitive performance. The discovery highlights the need to address viral mechanisms of cognitive decline in cART-treated patients.
A new study reveals that households in Europe will increasingly rely on air conditioners to adapt to climate change, generating more greenhouse gas emissions. The study shows that household wealth, presence of elderly family members, and environmental awareness are crucial factors in deciding to install AC.
A study of over 1,800 cases found that the need for additional surgery was twice as high after transobturator sling surgery compared to retropubic sling. The study also revealed lower reoperation rates and fewer complications with the retropubic procedure.
Researchers found that patients undergoing combined breast and gynecologic surgeries had significantly longer hospital stays and higher complication rates compared to those with single-site surgery. The study highlights the importance of separating these procedures for better patient outcomes.
The practice of microdosing psychedelic drugs to enhance mood and productivity lacks robust scientific evidence. Despite reports of positive experiences, the team presents a lack of controlled studies, uncertain doses, and safety concerns, highlighting the need for rigorous research.
Researchers argue that ape and human social cognition abilities are being misjudged due to poor experimental designs and biases. Studies have combined experience and species inappropriately, leading to flawed conclusions about species differences.
A new study identifies a genetic vulnerability in Hmong people that makes them more susceptible to blastomycosis. The research found that Hmong individuals produce less interleukin-6 (IL-6), an essential immune response, leading to reduced Type 17 cytokine T helper cells and increased disease severity.
A new class of drug lead derived from N-arylpyrrole exhibits potent anesthetic activity with minimal blood pressure suppression, suggesting a safer alternative to traditional anesthetics. The compound shows promise in tadpoles and rats, providing hope for improved patient safety.
Silica aerogel could warm the Martian surface, increasing atmospheric pressure and temperatures similar to Earth's greenhouse effect. This regional approach to making Mars habitable offers a more achievable solution than global atmospheric modification.
Researchers found that infants as young as 10.5 months can recognize communication through variable sound sequences, leading to increased attention towards target shapes in interactions with agents. This ability may play a crucial role in language acquisition and social-cognitive development.
Researchers found evidence of interbreeding between modern humans and Neandertals, Denisovans, and two unnamed archaic groups in Island Southeast Asia and East Asia. The ancestors of modern humans mixed with these groups before they became extinct.
A new study by University of Montreal scientists reveals that social media use and television viewing are associated with increased adolescent depressive symptoms. The study found that teens who spent more time on social media and in front of the TV experienced more severe depression over a four-year period.
Researchers discovered a cellular pathway linked to cancer that may benefit patients with hepatocellular carcinoma by reducing side effects and extending immunotherapy duration. The study found that blocking the IL-6/JAK1 pathway could resolve immunotherapy side effects and improve treatment outcomes.
Numerical simulations reveal that thin films with negative thermodiffusion coefficients increase the absorption of vapour, improving heat recycling. The study offers valuable new insights into enhancing the performance of falling film absorbers.
A new study found that half of participants with well-managed HIV retain HIV DNA in their cerebrospinal fluid, associated with cognitive deficits. Researchers also noted a link between HIV DNA and poorer performance on neurocognitive tests.
Researchers analyzed blood samples from 21 animals to identify biomarkers for diseases like lung tumors and Alzheimer's. These biomarkers are evolutionarily conserved, meaning they occur in humans and other species with similar function.
A new study found that people who internalize weight bias tend to be younger, female, have a higher BMI, and have an earlier onset of their weight struggle. Researchers also identified key characteristics of these individuals, including weight-stigmatizing experiences from family members or friends.
A new volcano monitoring platform, MOUNTS, analyzes satellite images using artificial intelligence to detect precursory signals and provide early warnings for volcanic eruptions. The platform, which integrates multiple sets of diverse data types, has been successfully tested on recent events and currently monitors 17 volcanoes worldwide.
Researchers analyzed blood samples from cognitively normal participants who developed Alzheimer's and found an association between neuronal-enriched extracellular vesicles and the disease. The study suggests these biomarkers may play a role in Alzheimer's progression, potentially serving as diagnostic or monitoring tools.
A 30-year study reveals that coral bleaching is not just caused by climate change, but also by reactive nitrogen from human activities. Nitrogen levels from sewage and fertilizers are causing phosphorus starvation in corals, leading to reduced temperature thresholds for 'bleaching'.
A study reconstructs a severe megadrought interval in Australia between 1891 and 1903, revealing widespread ecosystem impacts. The findings suggest that record rainfall deficiencies can lead to mass mortality and ecosystem collapse, with over 60 genera experiencing severe stress.
A study found that HIV cells can be detected in the cerebrospinal fluid of half of participants with nearly a decade of strict treatment, associated with higher likelihood of cognitive deficits. The presence of these cells may indicate an important reservoir for the virus in the brain that cannot be overlooked.
Researchers used online restaurant data to predict key socioeconomic attributes of neighborhoods in China, including daytime and nighttime population, business numbers, and consumer spending. The method shows promise for urban planners and policymakers seeking alternative data sources.
Rice University physicists have shown single crystals of cerium zirconium pyrochlore possess the right characteristics to qualify as the first possible 3D quantum spin liquid. The material exhibits long-range magnetic order and entanglement, which are hallmarks of a quantum spin liquid.
A single-center study of 453 children with multiple sclerosis found a significant association between obesity and increased risk of pediatric MS. The study also explored the response of first-line therapy in obese children with MS, but no conclusive findings were reported.
A meta-analysis of 61 neuroimaging studies involving 1,850 participants found no correlation between biological sex and brain responses to visual sexual stimuli. The findings contradict previous assumptions about sex-dependent differences in men's and women's reactions to visual erotic stimuli.
Researchers created a mathematical model to calculate temperature suitability for citrus greening transmission, mapping areas at risk of production collapse. The study provides critical information for crop management and surveillance prevention.
A new study predicts that up to a quarter of the world's conifer species will face extinction by 2070 due to climate change. Species native to smaller islands are most at risk, with some expected to be pushed out of their fundamental niche and tolerance range.
A new species of primitive hadrosaurid, Aquilarhinus palimentus, has been identified from a complete skull found in Big Bend National Park, Texas. The discovery sheds light on the evolution of duck-billed dinosaur snouts and suggests that there may have been multiple lineages before the main radiation of hadrosaurids.
NIST's quantum logic clock has reclaimed its title as the world's most precise atomic clock, with a systematic uncertainty of 9.4×10^-19, outperforming both NIST's ytterbium and strontium lattice clocks. However, it lags behind in stability, measuring 1.2×10^15 for a 1-second measurement.
Johns Hopkins researchers found that laser treatments and retinoic acid share a common molecular pathway that senses loose RNA molecules. This pathway is also involved in mice regenerating hair follicles after a wound.
A new study by researchers from the University of California, Irvine has shed light on the weaknesses of TcdB, a toxin primarily responsible for devastating Clostridium difficile infection (CDI). The study provides a blueprint for the development of next-generation vaccines and therapeutics with enhanced potency and broad-reactivity.