A new study found that bright light exposure increases insulin resistance compared to dim light exposure in both the morning and evening. This could lead to excess blood glucose, weight gain, and a higher risk of diabetes over time. The study suggests that lighting impacts health outcomes.
A new PLOS Medicine article highlights the need for strengthened national health systems, consolidated global emergency response activities, and enhanced research and development to prevent and respond to future infectious disease threats. The study's authors emphasize that system-wide accountability and continuous oversight are crucia...
A study by Jeremy Sanford's lab at UC Santa Cruz identified an extensive malignancy-associated gene expression circuit regulated by IGF2BP3 in pancreatic cancer cells. The protein drives metastasis by influencing the expression of genes involved in cancer biology, including cell migration and proliferation.
A survey of oncologists and palliative care consultants found that most believe writing condolence letters is important in cancer palliative care. The study suggests that this practice should remain personal and not be standardized.
Brandeis scientists have developed a method to genetically identify and manipulate individual cell types in the mouse brain, revealing over 150 distinct brain cell types. This breakthrough enables researchers to activate or deactivate specific genes to study their function without affecting other cells.
Most Arizona biology instructors prioritize teaching facts over helping students accept evolution, according to a new ASU study. The research found that many professors perceive barriers to discussing the topic and often stick to neutral facts, despite recognizing that science can coexist with religious beliefs.
A new study by Boston University School of Public Health researchers found that firearm ownership is closely tied to suicide rates, with states having higher gun ownership levels experiencing higher gun-related suicides. The study analyzed 33 years of data and found that firearm ownership explained 71% of the variation in state-level g...
Drexel researchers found the New York Times' coverage of PTSD from 1980 to 2015 neglected civilian and non-military cases, negatively framing the disorder. This narrow focus can inhibit awareness about PTSD resilience and recovery, and constrain discourse on social determinants of traumatic stress.
A study by Sanford Burnham Prebys Medical Discovery Institute identified a super-oncogenic protein, activating transcription factor 2 (ATF2), that drives the formation of melanoma in mice with BRAF mutations. Inactive ATF2 was found to cause tumors to develop slower than expected, making it a potential indicator of tumor aggressiveness.
Researchers found that surgeons differ in recommending surgery based on how they perceive risks and benefits, rather than just the patient's diagnosis. A surgical risk calculator can lead to more accurate predictions, but does not change a surgeon's likelihood of recommending an operation.
Researchers from the Henryk Niewodniczanski Institute of Nuclear Physics have observed elastic collisions between photons in heavy ion collisions. The study predicts that some deflected photons could hit detectors installed by ATLAS, CMS, and ALICE projects.
Recent studies have identified biomarkers associated with cartilage degradation and new genes linked to osteoarthritis (OA) development. Researchers used a non-invasive mouse model of post-traumatic osteoarthritis (PTOA) to analyze whole-joint gene expression, providing insights into the disease's progression.
Researchers have identified the genes responsible for producing the red pigment in bird species, linking it to detoxification processes and suggesting a link between mate quality and genetic fitness. The discovery provides new insights into the evolution and ecology of red coloration in birds.
A study published in Cancer Epidemiology, Biomarkers & Prevention found that consuming high amounts of saturated fat or low amounts of mono- and polyunsaturated fats during adolescence is associated with higher breast density in young adulthood. This increased risk of breast cancer was observed after adjusting for multiple variables.
Lomonosov Moscow State University scientists have developed a new method to extract DNA from various organisms. This breakthrough could lead to the creation of preventive vaccines against infectious diseases, allergies, and cancers.
Teenagers who experienced childhood family adversity are more likely to be bullied at school and develop depressive symptoms. However, supportive family or friends in early adolescence can help reduce depressive symptoms later on.
Researchers have identified brain cells in fruit flies that regulate sleep drive, which becomes more active when flies are kept awake. These findings may offer insights into human sleep disorders and potential new strategies to promote long-lasting sleep for those with chronic insomnia.
A study published in Science reveals that a molecule called ppGpp enables bacteria to repair damage to their DNA, including that caused by antibiotics. Adjusting the action of ppGpp may make bacteria more vulnerable to existing antibiotics, potentially yielding future solutions for antibiotic resistance and degenerative diseases.
Researchers found that Manduca sexta moths prefer flowers with nectar that matches the length of their proboscis, resulting in optimal energy gain. The moths use scent to guide themselves to these ideal flowers, which is supported by an innate preference.
A study published in the Journal of Neurology found that brain scans of dementia patients with coprophagia showed significant neurodegeneration, particularly in the medial temporal lobe and amygdala. The researchers also noted that behavioral modifications and antipsychotic medication were effective in treating the behavior.
Research by University of Notre Dame found that companies with higher female representation on boards engage less in mergers and acquisitions, identifying potential challenges in deals. The study suggests diverse board dynamics lead to more thorough discussions, increasing likelihood of deal delays or shelving.
A simple public health intervention helped prevent many cases of chronic kidney disease (CKD) in Pakistan by training community health workers and general practitioners on healthy lifestyle advice. After 7 years, individuals with the combined intervention had preserved kidney function, while those who received usual care experienced a ...
Researchers found that combining TXA delivery methods reduced blood loss by 37% compared to IV alone following TKR. The study showed no thromboembolic complications, with one patient requiring a postoperative blood transfusion.
Scientists at Salk Institute create system to rapidly map regions of DNA targeted by regulatory proteins, revealing how plants control gene expression and uncovering potential role of epigenomic marks in regulation. The technique, DAP-seq, identifies thousands of binding sites across the genome of Arabidopsis thaliana.
A team of biologists at New York University found that plants can reconstitute their stem cells from mature cells by replaying embryonic development. This process involves the recruitment of specialized cells to create a new set of stem cells, highlighting the importance of tissue behavior over stem cell properties.
Research analyzed 15 studies involving over 6,000 university students and found no significant difference in alcohol consumption or problems among fraternity members. The study suggests that stronger interventions may be needed for student members of Greek letter organizations.
A new study analyzes data from 21 countries and finds a positive correlation between electricity consumption and life satisfaction in some nations, while others show the opposite relationship. The research suggests that narrowing production-consumption gaps can improve human development outcomes.
Intensive therapies to reduce high blood pressure cut the risk of heart disease in older adults by nearly a third and death by almost a quarter. Participants with diabetes or heart failure were excluded from the trial.
The University of Huddersfield has received funding from CREST to investigate people's views and experiences on reporting suspicious activity to authorities. The project will be the first UK-based replication of a successful Australian study and aims to provide internationally comparable data on community reporting thresholds.
A new study found that interventions targeting fraternity and sorority members are unsuccessful in reducing alcohol consumption and related problems. However, interventions addressing alcohol expectancies showed promise in reducing heavy drinking on specific occasions.
Researchers at Argonne National Laboratory and Northern Illinois University have created a new material, 'rewritable magnetic charge ice,' that allows for unprecedented control over local magnetic fields. This breakthrough could pave the way for new computing technologies with denser storage capabilities and added functionality.
Scientists have identified a cytochrome P450 enzyme that allows some bird species to convert yellow pigments into red colors, enhancing color vision and possibly signaling individual quality. The discovery fills a gap in understanding the genetics of red coloration in birds, with implications for future research on evolution and ecology.
A new study from Georgia Institute of Technology found that low-income parents are less likely to use online learning tools due to differing motivations and parenting practices. This gap is exacerbated by lower perceived technical skills among low-income parents, who often downplay their abilities when accessing resources.
Researchers have discovered that cosmic heavy metals, such as gold and platinum, can be used to trace the history of galaxies. The study, published in Nature, suggests that the collision of dense stars in the universe can forge these heavy elements and provide insights into galaxy formation.
A new study from the University of Eastern Finland shows that increasing atmospheric aerosol concentration can significantly slow down and even temporarily stop global warming. Aerosol particles in the stratosphere prove extremely efficient in cooling down the climate, while those in the troposphere impact climate through cloud formation.
A Finnish study found that one in four professional athletes suffer from significant sleeping disorders, and most athletes slept too little. The study showed that general guidance, examinations when necessary, and personalized treatment plans significantly improved athletes' sleep quality.
A study by Michigan State University finds that adults with Williams syndrome are susceptible to online victimization due to their trusting nature and frequent use of social networking sites. Roughly a third of participants reported engaging in risky online behaviors without parental supervision.
Researchers developed a predictive model that uses patient-specific stem cells and genetic data to forecast heart defect types in pediatric patients. The model was tested on human cardiomyocyte cells from patients with specific mutations, achieving accurate predictions of hypertrophic or dilated cardiomyopathy.
A team of researchers from Université de Genève and EPFL found that the HOX13 architect proteins play a crucial role in the formation of both arms and hands. The study reveals how a genetic switch allows for a clear boundary between these two developmental processes.
A new educational software application, Food for Thought, is introducing middle school students to the topic of climate change and its impact on the environment. The app allows students to create a meal and visualize the nutritional data and carbon footprint associated with each food item.
BARREL's observations showed the open-closed boundary moving within minutes, providing a map of its location. Scientists can now refine simulations of how magnetic fields change around Earth due to this precise mapping.
A recent study by Johns Hopkins Kimmel Cancer Center scientists reveals that the HOXA5 protein plays a crucial role in maintaining normal breast cells' traits, such as adhesion and cell plasticity. The loss of HOXA5 leads to increased tumor aggressiveness and poorer outcomes for patients.
A USC study predicts that the US prevalence of visual impairment and blindness will more than double over the next 35 years. The number of Americans with age-related macular degeneration, glaucoma, diabetic retinopathy, and cataracts is expected to skyrocket, impacting individuals and society.
Researchers found that birds learn to distinguish distasteful prey from tasty ones using sudden displays of conspicuous color. This strategy helps the distasteful prey avoid predation by making it harder for sensitive predators to spot them.
The image reveals details as small as 20 to 30 miles across, showcasing the planet's polar caps, clouds, and vivid rust-colored landscape. The Hubble view also highlights ancient features such as Syrtis Major Planitia and Hellas Planitia basin.
Researchers at KARBio LLC and Genentech Inc. discovered that targeting human CRTh2 (hCRTh2) depletes immune cells implicated in asthma-associated inflammation, reducing cytokine production and lung inflammation in asthmatic mice. The study's findings support further exploration of hCRTh2 as a therapeutic target for asthma treatment.
A retrospective analysis suggests that regular laxative use can stabilize Parkinson's disease rigidity, pointing to potential modifications in underlying disease processes. Further research is planned to confirm the mechanisms involved.
Researchers found that antibiotic treatment in men who have sex with men (MSM) speeds up the spread of antibiotic-resistant Neisseria gonorrhoeae, contrary to intuitive expectations. The study suggests that increased screening and treatment may inadvertently drive resistance, highlighting the need for balanced treatment recommendations.
A study in mice lacking the proinflammatory signaling molecule TAK1 demonstrates protection against diet-induced obesity and insulin resistance. The removal of TAK1 from mice fed a high fat diet prevented additional weight gain and improved glucose tolerance.
Grand Challenges Canada funds nine creative ways to protect and nurture cognitive development of children in developing countries. Kangaroo Mother Care is expanded to improve lives of low birth weight infants in West Africa, while eight new innovations pursue approaches to help children reach their full potential.
A new study has confirmed the accuracy of the ACS NSQIP Surgical Risk Calculator, which estimates a patient's risk of postoperative complications. The calculator will undergo recalibration to improve its performance, addressing minor distortions in estimating risk for low- and high-risk patients.
New observations from NASA's Van Allen Probes have revealed the ring current behaves differently than previously thought. The high-energy protons in the ring current change in a completely different way from the low-energy protons, indicating a persistent ring current around Earth even during non-storm times.
A new Kaiser Permanente study found that overweight colorectal cancer patients had a significantly lower risk of death from their cancer compared to normal-weight patients. The study analyzed data from over 3,400 patients and found that those who were in the high-overweight category at diagnosis had a 55% lower risk of mortality.
The Rochester Digital Cloak uses flat screen displays to extend the range of angles that can be hidden from view. It enables cloaking large objects without requiring expensive lenses.
Researchers have developed a method called 'LIGR-Seq' to explore the functions of non-coding RNAs in human cells. The study revealed new roles for small nucleolar RNAs in regulating protein-coding mRNA stability and abundance.
A new study on Antarctica's snow core suggests that warmer temperatures and snowfall are not always linked, contradicting previous projections. Researchers found that individual snow years can have varying relationships with temperature, highlighting the importance of wind patterns in shaping Antarctic weather.
The KORUS-OC expedition will study the daily changes of the seas surrounding South Korea, focusing on phytoplankton and their role in Earth's carbon cycle. The research aims to better understand how oxygen and carbon flow between the ocean and atmosphere.
African American parents and caregivers often use egalitarian messages to teach preschoolers about race, according to a NYU study. The study found that working-class parents were more likely to use these messages than middle-class counterparts, while middle-class participants shared more instances of racial discrimination.
The prevalence of visual impairment and blindness in the US is projected to double in the next 35 years due to an aging population. Minority groups, particularly African Americans, are at a higher risk, with Hispanic individuals experiencing a significant increase in blind rates.
Researchers found that dynamic dazzle patterns can distort perceived speed, causing a targeting error of up to 2m for a Land Rover. The effect remains even with only a small patch of the pattern visible, providing potential applications for camouflage on vehicles with central doors.