Girls who experienced emotional neglect or severe sexual abuse early in life reported riskier sexual behaviors during adolescence. The study identified four patterns of maltreatment that led to distinct trajectories of risky sexual behavior.
Researchers found higher population densities linked to faster SARS-CoV-2 spread, while specific viral strains like G614 contributed to increased transmission rates. Vaccination campaigns can target densely populated areas and monitor regional strain variations to control disease spread.
Researchers developed a versatile antibody test to detect IgG and IgM antibodies against SARS-CoV-2, detecting asymptomatic cases and finding suitable blood samples for therapies. The study offers a powerful tool for controlling the pandemic, with approximately 80% of donor blood samples being potentially suitable.
A multidisciplinary team of health researchers found that exposure to discrimination increases the risk of developing anxiety and related disorders, even after accounting for genetic risks. The study suggests that alleviating discrimination can improve mental health.
A study by UC Davis VPRP found that 4% of California adults experienced violence, leading to severe distress and social problems. Firearm involvement in violent events was associated with increased socioemotional consequences, including higher levels of perceived threat and reduced social functioning.
Researchers discovered a large class of mammalian genes are not completely shared across spermatids, leading to uneven allele distribution and potential mechanisms for sperm-level natural selection. Single-cell RNA sequencing revealed 'genoinformative markers' that can act as selfish genetic elements.
Researchers found that omega-3 fatty acids in flaxseed and fish oil helped Arctic ground squirrels regulate their body temperature during hibernation, increasing brown adipose tissue. This discovery sheds light on how animals prepare for extreme cold temperatures.
New research from the University of California San Diego explores the potential of direct air capture to remove CO2 from the atmosphere and slow global warming. The study finds that a massively funded program could reverse temperature rise well before 2100, but deep cuts in emissions are still needed.
Scientists have designed a zero-index material based on a purely dielectric photonic crystal slab that supports low-order mode-based design, reducing radiation loss. This design enables applications such as arbitrarily shaped waveguides, phase-mismatch-free nonlinear propagation, and extended super radiance with low propagation loss.
Scientists have discovered a signal that causes roots to stop growing in hard soils, but after disabling it, roots can push through compacted soil. This discovery could help plants grow in damaged soils, reducing crop yields by up to 50%.
The System of Hospitals for Innovation in Pediatrics - Medical Devices (SHIP-MD) Virtual Workshop will focus on accelerating medical device development for children. The workshop aims to enhance safe and effective pediatric care options by addressing challenges such as clinical trials, funding, and regulatory approval.
Scientists at ISCA, Inc. and their collaborators have successfully grown insect sex pheromone precursors in genetically modified camelina plants, creating a low-cost source of pheromones needed for sustainable pest control. The transgenic plants produce insect pheromone precursor compounds in their abundant seed oil.
Researchers successfully transplanted human cadaver-derived retinal pigment epithelium (RPE) into non-human primate models, showing promise for treating macular degeneration and blindness. The study demonstrates the safety and feasibility of this approach, paving the way for potential human clinical trials.
A team of scientists has discovered that the mechanical events of a molecular motor precede biochemical events in force generation. This finding challenges the long-held view that biochemical events gate the force-generating event, and could lead to new treatments for conditions like heart failure and cancer.
Researchers identified key gene networks controlling sugar and organic acid metabolism in watermelon fruit, shedding light on its sensory quality. The study's findings have important implications for improving watermelon breeding levels in China and the development of the watermelon industry.
A Phase 2 clinical trial has demonstrated the efficacy of cabozantinib in reducing tumor volume and pain in patients with neurofibromatosis type 1. The treatment showed a partial response in 42% of patients, with significant reductions in tumor pain intensity.
A team of physicists from the University of Trento has developed a method to compute changes in protein shape and trajectory using quantum computers. This technology has implications for understanding neurodegenerative processes and developing new treatments.
Researchers at Moffitt Cancer Center have identified a novel biochemical pathway that protects cells from ferroptosis, a type of cell death caused by oxidation imbalance. The discovery involves the activation of the protein GCLC, which leads to the production of gamma-glutamyl-peptides that shield cells against ferroptosis.
A new pilot study using electromagnetic field stimulation has shown promise in restoring arm and hand function in individuals with traumatic spinal cord injuries. The study, conducted at Kessler Foundation, aims to improve motor control and activities of daily living for those with chronic spinal cord injury.
Researchers analyzed fast-food exposure near schools and found no association with childhood weight gain. Despite concerns about the role of fast food in obesity, the study suggests that simple exposure is not a primary driver of excess weight gain.
Researchers at NUS found that unedited COPA protein promotes cancer, while edited version suppresses a key molecular signalling pathway. The team is now exploring ways to boost natural RNA editing mechanisms to combat cancer.
A new study by Johns Hopkins Medicine found that various oral sex behaviors may increase the risk of oral HPV infection and head and neck cancer. Behaviors such as having multiple partners, early age of sexual initiation, and higher 'intensity' of oral sex were associated with a higher risk of the disease.
A novel, inexpensive chlorine dispensing device has been developed to improve tap water safety in regions with limited financial resources and infrastructure. The device, which requires no electricity or moving parts, releases measured quantities of chlorine into the water before it exits the tap.
Researchers developed a peptide-based photosensitizer that activates in cancer tissues only and destroys cancer cells without affecting surrounding normal cells. The new technology allows for repeated treatment with long-term release of the agent, reducing side effects associated with traditional phototherapy methods.
Researchers found that removing the internal limiting membrane can help transplanted retinal cells integrate into the retina, improving vision loss caused by glaucoma and other diseases. The study aims to develop new ways to repair or replace lost optic neurons by growing new cells.
A new research hub will be established at the University of Leeds to map dynamic protein interactions. Professor Sheena Radford's work focuses on understanding the fleeting interactions between proteins that shape or destroy memories, with implications for diseases such as Alzheimer's and Parkinson's.
A new study by Purdue University and Yale University found that leaving cameras off during virtual meetings can reduce carbon emissions, water usage, and land footprint by significant amounts. The researchers estimated that reducing video quality or streaming in standard definition can bring an additional 86% reduction.
Researchers develop an innovative algorithm inspired by weakly electric fish to detect and locate objects via electrosensing. The multi-scale approach combines information gathered at different distances from the object, providing a more accurate understanding of its features.
Distinct PTSD biotypes, G1 and G2, have been identified with differing genetic markers and underlying mechanisms of disease. These findings enable the development of more accurate screening tools to identify early indicators of distress and inform targeted therapeutics for improved patient outcomes.
A new global dataset of bioclimatic indicators at high spatial resolution is released to aid in understanding future species distribution and climate change impacts. The dataset, called CMCC-BioClimInd, provides valuable information for studies using species distribution modeling.
Purdue Research Foundation and Tilson will create a neutral host technology infrastructure platform, enabling rapid deployment of 5G capabilities from multiple providers. The neutral host deployment will enable innovators to test and evaluate new technologies, including IoT, AI, edge computing, and big data.
A new study by Stanford researchers and others finds that a relatively affordable remediation process can almost entirely remove lead from contaminated soil, but challenges persist due to ongoing sources of exposure. The study's results raise troubling questions about how to effectively eliminate the poison from children's bodies.
Researchers led by Syracuse University's Suzanne Baldwin deciphered the story of garnet sand, which holds secrets of its journey through the rock cycle. The findings indicate that the rock recycling process occurred in less than 10 million years, offering insights into geologic evolution and plate boundary dynamics.
A new pillar[5]arene-based hybrid material has been fabricated with enhanced emission in both solid state and solution phases. The material exhibits stimuli-responsive luminescent properties, including tunable multicolor luminescence and ion sensing ability.
Researchers at Stanford University have developed a quantum Archimedes' screw that hails fragile gas atoms to higher energy states without collapsing. The discovery reveals the existence of scar states, rare trajectories in chaotic quantum systems offering protected refuge for information encoded in quantum systems.
A new University of Saskatchewan study found that stretching is superior to brisk walking for reducing blood pressure in people with high blood pressure or at risk of developing elevated levels. Stretching resulted in bigger reductions in blood pressure across all three types of measurement.
A new study finds that wearing masks alone may increase daily contacts and lead to more infections if not accompanied by proper public education. The study's key findings also reveal that living environment and profession play a significant role in determining infection risk.
Researchers investigated the association between COVID-19 home confinement and myopia development in Chinese school-age children. The study found a significant increase in the progression of myopia after COVID-19 home confinement, highlighting the potential impact of prolonged screen time on eye health.
ASU researchers Kim Hill and Rob Boyd advocate for a new, fully integrated evolutionary theory of human behavior, combining adaptive behavioral ecology and cultural evolution approaches. Recent studies show that cultural history plays a significant role in shaping human behavioral variation, persisting for hundreds or thousands of years.
Researchers discovered that the two stars in the HS Hydrae system were almost completely eclipsing each other 50 years ago but now barely overlap. The team predicts that the eclipses will cease around February 2021, marking the end of this rare stellar dance.
A study from WashU Medicine reveals that allergens in the environment trigger episodes of acute itch in eczema patients, which often don't respond to antihistamines. Researchers found a previously unrecognized pathway carrying itch signals to the brain, opening new avenues for treatment.
Researchers at McGill University identified a new cellular pathway controlling cell surface receptor proteins that limits brain tumor growth and spread. Restoring the activity of Rab35, a protein involved in this pathway, may be a new therapeutic strategy for glioblastoma.
A new tool predicts viral escape mutations by analyzing the relationship between viruses and human immunity, as well as the structure of sentences in natural language. The algorithm achieves accurate results without prior training, identifying high-escape potential regions in SARS-CoV-2's Spike protein.
Researchers found that mice with different types of T cells responded differently to tumors, with some rejecting them and others succumbing to development. The study aims to develop more effective personalized immunotherapy for cancer patients by understanding the role of T cells in immune response variation.
Researchers have developed physics-based technologies to study virus reproduction, revealing dynamic processes like self-assembly. These findings may lead to the development of new antiviral drugs that disrupt critical steps in the virus cycle.
A scanning transmission X-ray microscope for lithium analysis has been developed, enabling the study of chemical states and behaviors with high spatial resolution. The microscope uses a low-pass filtering zone plate to suppress higher-order harmonics, allowing for accurate measurement of XAS spectra.
Scientists have found a new species of fleshy verdigris lichen, named Cora timucua, unique to North and Central Florida scrubland. The critically endangered lichen is considered possibly extinct, but researchers hope it may persist in undisturbed pockets of the state's dwindling pine scrub habitat.
Researchers suggest that an exaggerated activation of the food quality control system, triggered by environmental changes such as processed food and hygiene products, contributes to food allergies. The study's findings could lay the groundwork for future treatment or prevention strategies.
A study published in Scientific Reports reveals that Posidonia oceanica seagrass can trap and remove significant amounts of plastic materials from coastal areas. Researchers estimate that up to 867 million plastics could be caught per year, with a density of 1,470 plastics per kilogram of plant fibre.
New research unlocks the mystery of the Galápagos Islands' unique ecosystem, revealing that local northward winds drive upwelling and nutrient injection to support biodiversity. The findings inform plans to expand the Galápagos Marine Reserve and improve its management against climate change.
Researchers at UNH discovered a new inhibitor drug combination that effectively reduces growth and kills WM cancer cells, offering more treatment options. Adding venetoclax or panabinostat to BET inhibitors shows improved efficacy in treating Waldenström macroglobulinemia.
Researchers discovered an intrinsic contralateral connection in insect nervous systems that enables synchronized muscle activation after limb loss. This finding may aid design principles for flexible and adaptive walking in insect-like robots.
A Stanford study reveals that installing piped water closer to remote households in Zambia improves the lives of women and girls by reducing fetching time, increasing economic opportunities, and enhancing well-being. Households with piped water spend up to 80% less time fetching water, allowing for more time on productive activities li...
During the first COVID-19 surge, cancer screenings and diagnoses declined by 70% due to reduced testing. However, screening levels largely recovered in the months following the peak period. The study urges patients who delayed screenings to contact their provider to discuss rescheduling.
A new study using NASA's Chandra X-ray Observatory reveals that three galaxies colliding can lead to triple mergers with growing supermassive black holes. The research found one single, four double, and one triple merger system, shedding light on how these events shape galaxy growth.
Researchers at the University of Tsukuba have developed a method to produce acid-resistant catalysts using graphene, improving hydrogen gas production efficiency. The study shows that few layers of graphene allow protons to penetrate during hydrogen evolution reactions, crucial for maximizing efficiency.
A new study reveals that human-induced climate changes have increased the occurrence probability of record-high SSTs in the northwestern Pacific Ocean from once-in-1000 years to once-in-15 years. The warming trend, accelerated since the 1980s, may intensify tropical cyclones and cause severe damages to East Asian countries.
Researchers developed a multi-fidelity graph network approach to predict material properties with improved accuracy, enabling predictions for disordered materials. The new method reduced mean absolute errors by 22-45% compared to traditional approaches.
Researchers found that blue orchard bees produce significantly more female offspring after severe wildfires, indicating a functional response to increased floral resources. This adaptation helps bees invest in the more expensive sex of their offspring, females.
Astronomers have traced the speedy shrapnel from a nearby supernova blast to calculate its location and time, yielding an estimated explosion age of 1,700 years ago. The researchers used NASA's Hubble Space Telescope and analyzed visible-light observations made 10 years apart.