A new study using NVDRS data reveals 21% of law enforcement officers were killed during ambushes, with 90% homicides committed with firearms. The study also found a disproportionate number of black victims were unarmed, and fatality rates among military veterans/active duty service members were 1.4 times greater than civilians.
Scientists have reclassified the Caesalpinia group, including Brazil's national tree Pau-brasil, into a unique genus called Paubrasilia. The study reveals that Pau-brasil represents a distinct evolutionary lineage, highlighting its cultural and historical importance.
Researchers found that Zika virus infection damages placental cells and enhances entry of the virus through HSV-2 receptors. Fetuses in pregnant women with HSV-2 infection are at higher risk for microcephaly and other effects caused by Zika virus.
Researchers have designed metal-free phosphorescent molecules that glow persistently at room temperature, overcoming challenges of organic compounds emitting light only at low temperatures. The molecules can be tuned to emit different colors and are potentially three times more efficient than fluorescent LEDs.
Researchers at the University of Pittsburgh have successfully developed a brain-computer interface that allows a paralyzed man to feel sensations in his arms and fingers. The technology, which uses microstimulation of sensory cortex, enables the individual to distinguish pressure intensity and even identify objects through touch.
A tropical cyclone that was thought to be dead has reformed over the South China Sea and is now expected to make landfall in central Vietnam. The storm, dubbed 'Zombie storm' Aere, had maximum sustained winds of 25 knots near its center before re-forming
A new retrospective study found that men with prostate cancer treated with testosterone-lowering drugs are twice as likely to develop dementia within five years as those whose testosterone levels are not tampered with. The study used deidentified records from Stanford Medicine's clinical-research data warehouse and aggregated several f...
Bioengineers at UT Dallas created a wearable device to monitor glucose levels using perspiration, addressing challenges of invasive blood draws and providing real-time feedback. The textile-based sensor detects glucose in small amounts of ambient sweat, eliminating the need for commercialization complexities.
A study of 34 countries found that women married before age 15 are at increased risk for domestic violence. Women who marry as children often experience spousal age gaps, power imbalances, social isolation, and lack of female autonomy, which contribute to higher rates of domestic violence.
A CU-Boulder study found that preschoolers who lost three hours of sleep consumed 20% more calories and 25% more sugar on the day of restricted sleep. On the recovery day, they returned to normal levels but still ate 14% more calories and 23% more fat than usual.
Researchers successfully achieved sustained viral remission in rhesus macaques by supplementing antiretroviral drugs with an antibody. The virus remained undetectable for almost two years after withdrawal of treatment, demonstrating a promising potential treatment for HIV.
A recent study found that dolphin serum contains high levels of antioxidant protein, which may hold clues to treating aging-associated diseases in humans. Researchers also discovered 11 proteins more prevalent in dolphin serum than in human samples, including vanin-1 and adiponectin.
Researchers have created a hydrogel-elastomer hybrid that can prevent barnacles from sticking to metal hulls, reducing fuel costs for the Navy. The material is soft, slippery, and retains moisture, providing a long-lasting solution to biofouling.
A recent virtual reality study has found that our perception of space and our bodies plays a crucial role in regulating emotional experience and exploratory behavior. By manipulating sensory input on gait and spatial context, researchers have shown that this interplay can intensify or reduce fear and enhance exploration.
Researchers have found that coupling an antibody with standard-of-care antiretroviral treatment reduces virus levels and reverses immune system damage in SIV-infected rhesus macaques. The dual therapy maintains undetectable virus levels for over nine months after ART withdrawal.
Researchers aim to create smart cities where buildings can monitor and adjust their energy usage in real-time, minimizing waste and stabilizing the grid. This technology has the potential to reduce blackouts and spikes in energy prices, making energy more efficient and sustainable.
A new study from Rice University found that individuals with low socio-economic status as children are more likely to experience poor health in adulthood. The researchers discovered a correlation between early adversity and biological capacity to regulate emotions, which can lead to compromised adult health.
A global assessment of forests reveals a 10% decrease in tree species richness leads to a 2-3% decline in biomass production. The study estimates the value of biodiversity in maintaining commercial productivity at $166-490 billion, far exceeding conservation costs.
A single season of intense melting in Antarctica in 2001-2002 provided clues to the future of the continent. The study examined the impacts on two vastly different Antarctic ecosystems, including changes in microbial food webs and penguin populations.
Scientists have found a way to significantly improve computer performance by using T-waves, or terahertz radiation, to reset memory cells. This process is several thousand times faster than magnetic-field-induced switching and could lead to ultrafast memory.
Researchers found that a small fraction of phosphosites remain conserved across species, while new sites are rapidly evolved. This suggests that changes in protein regulation can quickly generate diversity in response to environmental conditions.
A new study from UTHealth found that 15% of sixth-grade students reported perpetrating at least one form of cyber dating abuse. The most common forms of abuse were using a partner's social media account without permission and making them afraid of responding.
A new Lancet series explores the connections between urban design, transportation, and health, suggesting eight major interventions to create healthier cities. The research highlights the need to shift from private car use to cycling and walking to reduce environmental and social risk factors.
Researchers found that even lower step counts, especially those taken at a brisk pace, can be beneficial for health. Limiting sedentary time also plays a role in healthy readings for cholesterol and other risk factors.
A new RAND Corporation report reveals that Louisiana teachers are more likely to consult classroom resources and provide instruction aligned with their state standards. This success may offer lessons for other states on how to encourage teacher alignment.
Sreekanth Chalasani's sonogenetics technique uses ultrasonic waves to selectively activate cells in mammals, opening doors to deep brain stimulation, pacemaker technology and more. The $1 million grant from the BRAIN Initiative could lead to breakthroughs in treating neurological disorders.
Researchers from UTMB have developed three new potential vaccines against the plague that protect animals from developing pneumonic plague as late as four to five months after vaccination. The vaccines were engineered by deleting and modifying genes in Yersinia pestis bacteria, resulting in safe vaccine candidates.
The Brain & Behavior Research Foundation has awarded $13.7 million in NARSAD Young Investigator Grants to support groundbreaking neurobiological research on psychiatric disorders affecting one in five people. The grants aim to improve treatments and develop prevention strategies for mental illnesses.
A new study chronicles how Central Asia dried out over the last 23 million years due to the rise of lesser-known mountain ranges. Researchers measured carbon isotope values in ancient soil samples to draw a fuller portrait of climatic changes, showing an exceptionally arid region deep in Asia's interior.
A University of Illinois study found that visitors to Channel Islands National Park in California were more likely to assign value to areas with charismatic wildlife encounters, rather than actually biodiverse regions. The research suggests that knowledge plays a crucial role in shaping people's perceptions of biodiversity.
Researchers argue that making parents healthier before conception can prevent transmission of obesity risk to future generations. The approach needed is both top-down and bottom-up, requiring clear information about what young people can do to optimize their health for themselves and their children.
Researchers at Rockefeller University discovered a protein called CRHBP that reduces anxiety in male mice by halting the activity of a stress-inducing hormone. In contrast, the same protein has no effect on female mice.
A multidisciplinary team will study how motor and linguistic speech information is encoded in the brain to develop specific treatments for speech disorders. The researchers aim to understand which neuronal activity in the subthalamic nucleus is responsible for different aspects of speech.
Penn Vet researchers have discovered a new mechanism for antibacterial immunity, where caspase-8 regulates inflammatory cytokine production. In mice lacking caspase-8, innate immune cells have a general defect in responding to microbial products, leading to increased susceptibility to infections.
Researchers found that nearly half of pregnancy-associated deaths were due to unintentional injuries, homicide, or suicide. The study suggests addressing psychosocial contributors to health during pregnancy can effectively prevent maternal deaths.
Researchers found evidence of a comet strike in sediment from the Paleocene-Eocene Thermal Maximum (PETM), a rapid warming of the Earth caused by an accumulation of atmospheric carbon dioxide. The discovery provides insight into the sequence of events leading to global warming.
Researchers at NIH and Emory successfully induced sustained remission of SIV in infected monkeys for up to 23 months. The regimen, which combined 90 days of ART with infusions of a laboratory-derived antibody, restored key immune cells and eliminated viral reservoirs.
Researchers at Michigan Technological University provide a detailed overview of Zika's history, transmission modes, and risks, including sexual transmission and miscarriage risks. The study also highlights the connection between dengue virus infection and Zika virus exacerbation.
Researchers used genetic profiling to predict osteoporosis risk in individuals with high accuracy, improving classification by 12% compared to traditional clinical risk factors. The findings have the potential to revolutionize bone disease management and treatment for Australia's 1.2 million osteoporosis sufferers.
Researchers found the unique impression of skin scales from a large herbivore sauropod, possibly a titanosaurus, in sandstone rocks. The discovery is significant as it provides evidence of one of the last dinosaurs to live on Earth before their extinction.
Researchers studied a single-celled amoeba called Capsaspora owczarzaki and found it uses the same protein-regulating tools as multicellular animals to control cell differentiation over time. This suggests that the single-celled ancestor of all animals likely possessed these systems and was more complex than previously thought.
NICT developed a projection-type see-through holographic 3D display technology that allows for independent design of display size and visual angle. This technology has potential applications in in-car head-up displays, smart glasses, and digital signage.
Researchers have successfully fabricated electronic devices using DNA, which can function at room temperature. The devices work by exploiting the tunnelling effect, where electrons tunnel through energy barriers to create a current.
Microbiologist Kristen DeAngelis receives $2.5 million grant from US Department of Energy to study soil microbes' impact on carbon cycle. The research aims to improve understanding of how climate change affects soil carbon storage and develop new methods for modeling microbial contributions to global carbon cycling.
A 15-year international study found that HIV-1 subtype C, the most dominant form of the virus, is also the slowest to progress to AIDS. This counterintuitive finding challenges Darwinian evolutionary theory.
Researchers at UC Riverside have developed a reliable and accurate navigation system that exploits environmental signals like cellular and Wi-Fi to support autonomous vehicle development. The technology can be used as an alternative or complement to GPS-based systems, enabling consistent and tamper-proof navigation.
A study led by UCSB researchers found that an innovative mental health program for sixth-graders increased students' knowledge of mental illness and decreased stigma associated with it. The program, Mental Health Matters, aims to educate young people about mental health before stigma sets in.
A study by Stanford scientists warns that the future of Antarctic marine protected areas is under threat due to entrenched positions on Marine Protected Areas (MPAs) and fishing interests. The authors argue that CCAMLR's failure to adopt a system of MPAs could set a negative example for global ocean challenges.
Researchers at UTA are developing an AI system that assesses children's executive function skills, recognizing patterns of inattention and hyperactivity. The system provides recommendations for effective intervention and monitoring progress over time.
New research reveals how a single warming event in Antarctica may indicate future ecosystem changes, with cascading ecological consequences observed over the last 15 years. The study found that massive flooding caused by melting glaciers led to dramatic changes in the environment, including erosion of streams and lake levels rising.
Researchers have been awarded a grant to develop a novel medication that can erase memories associated with addiction. The drug candidate, blebbistatin, has shown promise in animal models by producing a permanent loss of meth-associated memories without affecting other types of recall.
A new study from Intermountain Medical Center found that antibiotic use rates in small community hospitals are similar to those in large hospitals. The lack of antimicrobial stewardship programs in smaller facilities poses a significant challenge in addressing the growing problem of antibiotic-resistant bacteria.
The NIH has increased its investment in the BRAIN Initiative to over $150 million, supporting 170 researchers at 60 institutions. This funding will help develop new tools and technologies to understand neural circuit function and capture brain activity.
A team of researchers has successfully isolated Zika virus from a semen sample, obtaining the first complete genome sequence of the virus in humans. The study provides valuable insights into potential sexual transmission of Zika virus, which was previously poorly understood.
Researchers found that Zika virus infection provides excellent protection against reinfection, offering potential relief from future epidemics. The study also revealed the virus remains in some tissues for an extended period, but clears from blood plasma and urine within 10 days.
An educational and outreach program increased rates of referral for kidney transplant evaluation, especially among African American patients. The program reduced racial disparities in referral, with a significant increase in African Americans referred for transplant from 10% to 16%.
A brain implant has restored touch in a paralyzed man's hand, allowing him to sense sensations like warmth and pressure from his fingers. The study suggests that electrical brain stimulation can reestablish realistic touch in paralyzed patients, guiding the design of better neuroprosthetic limbs.
Researchers from the Repurposing Drugs in Oncology project found that propranolol has significant anti-cancer properties, particularly in angiosarcoma. The study highlights the potential of propranolol to act on multiple points of the metastatic cascade, reducing metastatic spread and saving lives.
A study published in the American Journal of Agricultural Economics found that federal school lunch guidelines led to improved health outcomes for students. The research showed a reduction in calories from fat and sodium, but varying responses across socioeconomic and demographic groups.
A new study from North Carolina State University, the University of Chicago, and the University of Michigan found that women college students are more active in racial justice movements. The research also showed that what drives Black students to engage is different from what drives Latino students. Key findings include: Black women we...