New research shows that parents who have an open and communicative relationship with their children are less likely to experience adolescent substance use. The study, published in the journal Drug and Alcohol Dependence, found that a strong parental bond can significantly reduce the risk of drug abuse.
A recent study has found that mastectomy and reconstruction have higher complication rates and costs compared to lumpectomy and radiation. For younger women with private insurance, the risk of complications from mast+recon was two times higher than lump+WBI after adjusting for other differences in patients and treatment.
A study found that syringe service programs are scarce in rural and suburban areas, where rates of opioid addiction are on the rise. The programs, which exchange used needles for new ones, reduce the risk of HIV transmission and overdose. Despite their benefits, many SSPs struggle with recruitment, funding, and staffing issues.
A new study shows that male prairie voles with poorer spatial memory, which tend to wander farther for mates, exhibit higher levels of promiscuity. This is associated with gene expression changes that are heritable and linked to increased risk of encountering aggressive males.
Researchers at UT Health Science Center discover how poxviruses outsmart the body's immune system by targeting a key restriction factor called SAMD9. This finding has significant implications for cancer treatment and therapy, as SAMD9 also suppresses tumors.
A new scientific review article reveals that endocrine-disrupting chemicals are contributing to declining fertility rates in industrialized countries. Poor semen quality and higher incidences of testicular cancer have been linked to environmental factors, with average men experiencing lower levels of testosterone.
Research published in BMJ Open found that moderate drinking (2-3 units daily) is associated with a lower risk of death among people with early stage Alzheimer's disease. The study analyzed data from 321 participants and found that those who drank moderately had a 77% lowered risk of death compared to those who drank little or no alcohol.
Moffitt Cancer Center researchers discovered TBK1 plays a novel role in promoting cell division through interacting with CEP170 and NuMA proteins. Disrupting TBK1 activity prevents chromosome separation and mitosis progression.
Brazilian researchers have demonstrated that apigenin, a flavonoid found in parsley, thyme, chamomile, and red pepper, improves neuron formation and strengthens brain cell connections. The compound works by binding to estrogen receptors, affecting the development and function of the nervous system.
A study reveals racial and ethnic differences in US patients with kidney failure accessing home dialysis, with potential factors including lack of availability, insurance barriers, and provider bias. The findings highlight the need to ensure equitable access to different dialysis modalities to improve health outcomes.
Dr. Norman Wolmark will present the William L. McGuire Memorial Lecture on the NSABP Clinical Trials' impact on early breast cancer management. Established in 1992, the McGuire Lectureship commemorates Dr. William McGuire's contributions to oncology.
A study found that elevated CO2 levels enhance plant growth, but the impact varies greatly due to fluctuations in climate and food chains. The researchers discovered that predators like spiders are more sensitive to climate variation than their prey, such as isopods.
Researchers found that most climate models underestimate the increase in absorption of sunlight by water vapor, leading to overestimation of global precipitation. The team's study suggests that improving radiation representation in models can lead to more accurate predictions of future precipitation change.
A new study found that poorer children are almost twice as likely to be obese at age 5 and nearly triple the risk by age 11. The researchers linked relative poverty to childhood obesity, highlighting the importance of early intervention and environmental factors in addressing socioeconomic inequalities.
A single dose of psilocybin significantly decreases anxiety and depression in cancer patients, with positive effects lasting up to 6 months. The study suggests that psilocybin may be a sufficient treatment for mood disturbances in cancer patients.
Researchers developed a computer model called Bayesian program learning framework (BPL) that captures humans' unique ability to learn new concepts from a single example. The BPL model achieved human-level performance on challenging concept learning tasks, outperforming recent deep learning approaches.
Researchers used optogenetics, fMRI, and electrophysiology to track brain activity and show how stimulation frequencies affect arousal. They found that altering deep-brain circuit firing frequency dramatically alters forebrain activity and alertness levels.
Research reveals that genetically predisposed timid swans are more likely to inhabit non-urban areas, while bolder swans colonize cities. The study found a significant association between specific DRD4 gene variants and wariness levels.
Researchers at Whitehead Institute created a 3D map of the human genome's DNA loops that regulate gene expression in human embryonic stem cells and adult cells. This new understanding will help scientists predict relationships between mutated elements and their target genes, leading to improved disease development insights.
Scientists and teachers developed a simple spreadsheet-based method to teach aerodynamic drag to 14-15 year olds. Students measured speed and frontal area while biking, then calculated the drag coefficient using an Excel spreadsheet. The approach engaged students and showed that computers can simplify complex physics problems.
A new study finds that the Colorado River Basin's water supply is controlled more by natural climate patterns than human use. The researchers used NASA satellite data and local monitoring records to reconstruct changes in the basin's water storage since the 1980s.
Regenerative medicine researchers at Wake Forest Baptist Medical Center have found that decellularized human pancreata can be used as a platform for building a new bio-artificial pancreas. The study successfully re-populated the organ structures with patient cells and showed promising results in animal trials.
Scientists have discovered a blood test that can predict rheumatoid arthritis (RA) in some individuals even 16 years before the condition takes effect. The test detects antibodies targeting citrullinated tenascin-C, which were found in high levels in joints of people with RA.
A new study by University of Michigan researchers found that modifiable health risks like obesity, stress, and smoking cost companies billions in healthcare costs. The study suggests that workplace wellness programs can help reduce these costs by promoting healthier behaviors.
Researchers found clouds in Arctic warming surface, especially in fall and winter, contrary to previous expectations. The warm air's insulating properties allow clouds to amplify regional warming, making the situation even hotter.
A prime-boost H7N9 influenza vaccine concept has shown promising results in a small clinical trial, demonstrating the potential for a single dose to provide protection. The vaccine, which combines a live but weakened virus with an inactivated booster, elicited a robust immune response in both young and older adults.
The study reveals high genetic diversity of TB strains in Ethiopia, suggesting that Europeans introduced a new wave of virulent strains. The findings contradict the long-held 'virgin soil hypothesis' and shed light on past epidemics of TB.
Researchers developed a novel feature space to characterize human skin using spectral absorption characteristics of melanin, hemoglobin, and water. This approach reduces the cost of hyperspectral-based search and rescue systems by a factor of seven.
Researchers create device that stimulates lacrimal gland to increase tear production by nearly 57% in rabbit eyes. The next phase will evaluate the quality of tears produced, with clinical trials underway for FDA approval.
Researchers at the Buck Institute discover that dysfunctional mitochondria induce a unique type of senescence, characterized by a distinct secretory phenotype. This finding provides an alternative explanation for the free-radical theory of aging and highlights a new role for mitochondria in affecting physiology.
The conservation community has taken swift and coordinated action to prevent the introduction and spread of Batrachocytrium salamandrivorans, a deadly fungal pathogen threatening North American salamander populations. Conservation organizations have called for policy changes to aid in preventing the disease's entry into the region.
A UK study found that women using contraceptive implants or injectables after an initial abortion were more likely to have a repeat abortion. Factors such as socioeconomic deprivation, age, and previous obstetric history increased the risk of repeat terminations.
Researchers designed synthetic microbes to learn what drives the bacterial circadian clock and how it might be manipulated. The findings indicate that the cyanobacteria's clock can synchronize to metabolism outside of photosynthesis, suggesting potential applications in engineered microbes.
Researchers use super-resolution technologies to observe muscle stem/progenitor cells migrating into place guided by 'ghost fibers,' remnants of the old extracellular matrix left by dying muscle fibers. This study reveals that these ghost fibers serve as architectural units guiding the regeneration of muscle tissue.
Scientists at Rockefeller University identified a new regulator of RNA polymerase II, a critical process for gene expression. The discovery could lead to more specific cancer therapies by targeting this form of gene regulation.
Researchers have found that a cancer drug can neutralize the toxic RNA responsible for myotonic dystrophy type 1. The study used actinomycin D to inhibit toxic expansions in DNA, correcting mis-splicing and reducing symptoms.
A new study finds that publicly funded Ph.D. recipients enter high-wage industries, earn higher-than-average salaries, and contribute to local economic growth. The study tracked nearly 3,200 graduates from eight major research universities, showing they are disproportionately hired in technology and professional service industries.
Scientists at Vanderbilt University have made groundbreaking discoveries about the behavior of TrCel7a, a cellulase enzyme that breaks down cellulose. By studying the enzyme's movements and interactions with cellulose fibers, researchers found that it operates slowly but is self-propelling, powered by energy from cellulose bonds.
Nearly 40% of Ph.D. graduates enter industry, with those in RÔD firms earning higher salaries than academia counterparts. Mathematics and/or computer sciences hold the highest average earnings at over $65,000 per year.
A new study suggests that a thicker Earth mantle may be responsible for some of the planet's inner processes. The research found a significant increase in the Earth's mantle viscosity at depths of 1,000 kilometers, challenging previous estimates.
A new paper calls for a radical shift in India's healthcare delivery system, prioritizing primary care and strengthening the public sector. The authors identify structural problems with the current system, including high healthcare costs driving millions into poverty, poor quality of care, and inadequate human resources.
A new study from Kansas State University reveals that gut bacteria play a pivotal role in the communication system of German cockroaches, facilitating aggregation and reproductive maturation. The research identified specific fecal volatile carboxylic acids that reflect the microorganism contents of a cockroach's gut.
A new study by New York University researchers shows that federally and non-federally funded research investments have a significant impact on the economy. The study found that 40% of PhD recipients took jobs in the private sector, with those in science fields disproportionately gaining placement in large and high-wage businesses.
Researchers have discovered a new approach to producing cleaner diesel by optimizing molecule interactions between metal and solid-state acid catalysts. This method can significantly reduce particulates and CO2 emissions from cars.
A UTHealth study found that children born with cleft lip or palate and spina bifida are at higher risk of maltreatment before age 2, with increased risks of 40% and 58% respectively. Medical complexity may contribute to this increased risk.
A new study from MD Anderson Cancer Center found that delaying chemotherapy after surgery increases the risk of death for breast cancer patients, particularly those with triple-negative breast cancer. Patients who start treatment within 90 days have a lower risk of death compared to those who delay it.
A new study found unique microbial communities associated with human cadavers exhibit predictable succession following death, providing a reliable 'clock' for forensic scientists. This method also showed promise in determining the original location of moved corpses and locating buried bodies.
The African cheetah's genome sequence has revealed a lack of genetic variation and unique adaptations that contribute to its incredible speed. The study has shed light on the cheetah's past and its struggles with reproductive impairments, providing valuable lessons for conservation efforts.
A team of researchers has discovered fossils of kinorhynch worms, also known as mud dragons, dating back over 530 million years. The historic find provides crucial insights into the evolution of body segmentation among animals.
A short peptide, SKY peptide, has been developed by researchers at LMU to inhibit the activation of a signal pathway in monocytes, which enables their adhesion to endothelial cells and penetration into sites of acute inflammation. This can lead to chronic inflammatory reactions and tissue damage.
Two tree species in southwestern Colorado employ distinct strategies to cope with drought: the ponderosa pine conserves water by shutting down production, while the trembling aspen alters its physiology to continue growing. This study sheds light on how woody plants may confront twin scourges of less water and hot weather in a warmer a...
Researchers at Michigan Technological University developed a new method to clean contaminated water full of unwanted nanomaterials by shaking oil and water, clearing out nearly 100% of one-dimensional nanomaterials. The technique uses the physical properties of oil and water to trap nanomaterials, which can then be easily removed.
Researchers have found novel mechanisms to inhibit chikungunya virus at multiple stages of infection, including entry and release from cells. The discovery could lead to the development of a single vaccine that protects against multiple alphaviruses.
Fault slip during the 2005 Sumatra earthquake was stopped by the topography on the downgoing plate, with a 3-km high region strengthening the plate boundary and preventing rupture propagation. This finding is supported by seismic reflection data that mapped the shape of the downgoing plate across a long-lived segment boundary.
A population-based study of 37,207 patients found that those who received breast-conserving surgery plus radiation therapy had improved overall survival after 10 years compared to those who received mastectomy without radiation. BCT was also associated with fewer regional recurrences and distant metastases.
Research reveals LSD reduces connectivity within brain networks, disrupting synchronization of neural firing patterns. This change affects the underlying thought and behavior processes in humans.
Scientists developed implantable probes with tiny LEDs that can control and record individual neurons, shedding light on neural communication. The new technology could lead to breakthroughs in understanding and treating neurological diseases like Alzheimer's, which affects hundreds of millions worldwide.
Researchers link flibanserin-induced decreases in female brain metabolism to increased pair bonding and grooming behavior in common marmosets. The study provides insight into how the drug may work in women's brains, but highlights room for improvement in treatment and safety.
Frank Bradke's groundbreaking research on neural regeneration and spinal cord injuries has earned him the coveted Leibniz Prize. His work aims to promote axon regeneration after spinal cord injury, inhibiting scar tissue formation and activating nerve cells' regenerative potential.
Scientists at the University of Nottingham have discovered a small molecule called nicotinamide mononucleotide (NMN) that causes a chain reaction of destruction within neuron cell processes. This finding may lead to new therapies for age-related neurodegenerative disorders such as Parkinson's and Alzheimer's disease.
Researchers at Ruhr-University Bochum found a link between brain GABA levels and tactile learning, predicting learning success by baseline GABA levels. Higher GABA levels were associated with improved sensory learning potential.
Tropical Cyclone 05S formed over the Southern Indian Ocean, with NASA's Aqua satellite capturing its formation and development. The cyclone intensified into a tropical depression and then a tropical storm, but faces challenges including dry air and cooler sea surface temperatures that may weaken it.
Researchers found that psychological interventions targeting sensation seeking and reward sensitivity can delay first-time cannabis use in teens. The study suggests these interventions may help reduce cannabis use, particularly among youth who perceive it as low risk.
Researchers at the University of Texas at Austin found that natural selection drives prairie voles to be either fully monogamous or seek multiple partners due to genetic brain differences. The findings suggest that these genetic variations are not favored by natural selection, but rather co-exist in the population.
A recent study found that PET/CT and whole-body MRI detect extraskeletal disease, changing cancer management. Combined administration of F-18 sodium fluoride (NaF) and F-18 fluorodeoxyglucose (FDG) in a single PET/CT scan showed higher sensitivity and accuracy than alternative methods.
A new study from the University of Maryland found that methylene blue can almost completely repair defects in cells with progeria and restore healthy cell function. The compound also repaired age-related damage to healthy cells, suggesting its potential as a treatment for both progeria and normal aging.
A new $1.5 million grant will support an innovative approach to treating relapsed or refractory neuroblastoma through a dynamic clinical trial design allowing for quick incorporation of new treatments based on genetic changes in individual patients' tumors.
Researchers at the University of Michigan developed a unique lie-detecting software using real court case data, achieving up to 75% accuracy in identifying deceivers. The system analyzes both speech patterns and body language, uncovering common behaviors such as eye contact, hand gestures, and vocal fill.
Researchers at Boston University School of Medicine have identified a gene, Hnrnph1, that is casually associated with the behavioral response to methamphetamine. This finding may have implications for understanding the genetic basis of methamphetamine addiction and developing novel therapeutics.
Researchers have unlocked the structure of a plant virus using groundbreaking microscopy, revealing key to building custom virus-like particles that can carry medicines into the human body. The findings could lead to the development of targeted medicines.
The US Pacific Northwest experienced extreme rainfall from Dec. 2 to 9, 2015, with areas receiving over 160 mm of rain and the open waters of the Pacific Ocean seeing totals over 310 mm. This heavy moisture was attributed to atmospheric rivers originating in the Western Pacific Ocean.
Researchers mapped the topological structure of the human genome, revealing how proteins like CTCF and cohesin organize genes for proper transcription. The findings provide new insights into the relationship between genome architecture and gene regulation, with potential implications for understanding genetic diseases.
Research at INRS demonstrates that small changes in enzyme structure can significantly impact its function. The study reveals how the subtle dance of atoms affects enzyme activity, shedding light on protein engineering failures and improving synthetic functional enzymes.
Research finds nearly 4% annual decline in Northern spotted owl populations from 1985 to 2013. Barred owl invasion is a major factor, but habitat loss and climate also contribute to population declines, with some areas experiencing up to 77% reduction in Washington.
A study by Baycrest Centre for Geriatric Care reveals that brain connectivity patterns differ between individuals who remember episodic details versus facts, suggesting a lifelong 'memory trait'. This finding may have implications for understanding aging and brain health.
In Texas, a citizen science program utilizing public surveillance tracked the distribution and infection prevalence of triatomine insects, showing 63% infected with Trypanosoma cruzi. The study suggests that citizen collections are a valid way to document insect distribution, providing a unique sample for disease vector studies.
A new study from The Ottawa Hospital and the University of Ottawa found that repeating an abnormal PSA test reduces unnecessary biopsies by 55 percent. Men with conflicting test results who had a second normal test were diagnosed with cancer within a year, suggesting the importance of repeat testing.
A new study from the University of Texas MD Anderson Cancer Center found that mastectomy plus reconstruction has the highest rate of complications and complication-related costs among guideline-concordant therapies for early breast cancer. The study also revealed that this treatment option is the most expensive in younger patients, wit...
Researchers found female infants have larger gray matter volumes around the temporal-parietal junction, which integrates social information processing. By age two, myelination of long fiber tracks is more developed in males than females, a potential clue to autism risk disparities.
Researchers at the University of Pittsburgh are exploring ways to improve footwear design and replacement policies to reduce slips and falls. By simulating wear using a robotic slip-tester and measuring shoe tread hydroplaning, they aim to identify specific limits to wear and determine critical factors that impact how quickly shoes wear.
Two new studies by University of Maryland geologists provide different explanations for the boundary within Earth's mantle, with one suggesting increased viscosity and the other denser rock composition. The research sheds light on the physics of the deep Earth, particularly the heat engine driving plate tectonics at the surface.
A study by the Colorado School of Public Health found cheerleading to be relatively safe compared to other high school sports, with an injury rate ranking 18th out of 22. However, severe injuries were more common than expected, highlighting the need for prevention efforts and standardized safety measures.
Researchers have mapped the wheat epigenome, identifying patterns of DNA methylation that regulate gene activity. This discovery could lead to improved crop breeding technologies and a better understanding of genetic variation in wheat.
Researchers developed a Bayesian Program Learning framework that captures human learning abilities, allowing computers to recognize and generate new visual concepts. The algorithm achieved impressive results in visual Turing tests, with only 25% of judges performing better than chance.
Researchers found that nearly all health policymakers have Twitter accounts and may be receptive to useful findings. Effective tweets should target Congress members on committees with jurisdiction over health issues, educate policymakers rather than persuade them, and include links to research articles.
A recent study has identified the Shank3 gene as a key contributor to both autism and schizophrenia. The researchers found that two different mutations of the gene produce distinct molecular and behavioral effects in mice, shedding light on how a single gene can play a role in multiple diseases.
At the nanoscale, heat radiates from one surface to another in a vacuum 10,000 times faster than expected. This discovery has significant applications in next-generation information storage and devices that convert heat into electricity.
The ocean microbiome is a vast biological network that regulates global systems, including energy consumption and respiration. Microbes are responsible for virtually all photosynthesis in the ocean and cycle essential nutrients and trace elements.
Neurologist Brian Callaghan's team identified 74 unnecessary medical services in neurological care, including imaging for low back pain and headaches. The goal is to inspire discussions between clinicians and patients about avoiding wasteful or unnecessary tests and treatments.
Researchers at Newcastle University developed a computer model that identifies brain regions responsible for epileptic seizures, leading to improved surgical outcomes. The study successfully simulated brain activity and identified the most seizure-prone areas in patients with temporal lobe epilepsy.
A recent study by Carnegie Mellon University found that small changes to tax notices can significantly increase EITC participation. The study showed that making the layout cleaner and displaying the potential credit amount in the headline led to a higher response rate.
A Johns Hopkins study suggests that individualized report cards improve VTE prevention efforts, increasing correct therapy use and resident performance. The approach also boosted trainee morale, with a significant spike in resident satisfaction scores.
Researchers used CRISPR-Cas9 to knock out six Hox genes in a sandhopper, shedding light on the genetic mechanisms that determine leg anatomy and evolutionary patterns. By analyzing the resulting transformations, they identified which genes control specific appendages and gained insights into how evolution shapes animal body plans.
A new fungal pathogen, Batrachochytrium salamandrivorans (Bsal), poses a significant threat to North America's amphibian populations. The authors propose concrete steps to prevent or reduce the risk of Bsal entry into the United States, Canada, and Mexico.
Engineers tested ATLAS's precision by simulating launch vibrations and temperature changes to ensure accurate beam alignment. The automatic steering mechanism adjusts the laser beams to hit specific spots on Earth, generating a precise electrical signal.
A new study finds that bacterial circadian clocks are set by metabolic rhythms, rather than light exposure. Genetically engineered cyanobacteria showed that the clock responds to sugar availability and can maintain a regular rhythm in complete darkness.
Researchers have created a new 'periodic table' to visualize and predict how proteins combine to drive biological processes. The table reveals fundamental steps in the evolution of protein complexes, providing a systematic view on protein assembly.
A recent study suggests that elevated levels of the enzyme APOBEC3B drive tamoxifen resistance in estrogen receptor-positive breast cancer. Higher APOBEC3B levels were associated with shorter progression-free survival times.
Human astrocytes have unique genes and respond differently to neurotransmitters, particularly glutamate, suggesting improved detection of neuroactivity. The study's novel method allows researchers to compare astrocytes from healthy tissue and those affected by diseases such as glioblastoma and epilepsy.
A new RAND Corporation study finds that campus programs have led to a significant increase in California college students seeking mental health treatment, with an estimated additional 329 students graduating for each year of investment. The study also predicts a net societal benefit of over $6 per dollar invested.
A recent study by Vrije Universiteit Amsterdam researchers found that narrative spoilers can ruin a story's entertainment value. Spoilers were linked to reduced suspense, fun, and emotional engagement in readers.
Protein seekers can find genetic targets faster with obstacles in some cases, according to Rice University scientists. The study resolves conflicts between other research on protein interactions with DNA.
Three high-value research projects will receive £13.9M in funding to develop cheap and effective vaccines for poultry, create self-fertilising plants and breed elite lines of wheat. The projects are led by world-leading researchers and will address major scientific challenges with five years of funding.
Researchers analyzed coral genome samples from the Ryukyu Archipelago, revealing 4 distinct groups corresponding to geographical locations. The findings suggest that coral populations repopulated themselves after 1998 bleaching, contradicting previous assumptions about long-distance larval migration.
For the first time, MIT chemists have measured the energy of a transition state in a chemical reaction, a fleeting and unstable state thought to be impossible to experimentally characterize. By analyzing changes in vibrational energy levels, they were able to decipher the patterns of reactants approaching the transition state.
Researchers at University of Oxford have developed a new technique that uses T1 mapping to create pixel-by-pixel maps of the heart without injections, improving detail and reducing subjectivity. This technology has the potential to help diagnose heart conditions in patients with severe kidney failure.
Researchers found a unique communication system in one group of crickets where females produce a vibrational signal after male calls, allowing them to locate each other. The study suggests this origin might be more common than previously thought and sheds light on the evolution of acoustic communication systems.
Researchers at TSRI have discovered the dynamics of β2 adrenergic receptor (β2AR), a protein linked to asthma, obesity and type 2 diabetes. The study found that β2AR naturally fluctuates between its active and inactive states in the absence of any drug, and different drugs can either stimulate or inhibit signaling.
Researchers investigated the reasons behind tamoxifen's varying efficacy in women. Genetic variants on the CYP2D6 gene were initially linked to worse survival rates, but subsequent studies found no association. Advanced statistical modeling suggests that genotyping errors may have contributed to these findings.
Researchers found that D538G and Y537S mutations in the estrogen receptor 1 (ESR1) gene are common in ER-positive breast cancer patients, associated with poorer outcomes and reduced response to everolimus treatment. The study suggests that these mutations may predict different responses to therapies.
Studies found that patients with delayed breast cancer surgery and chemotherapy had poorer overall and disease-specific survival rates. A delay of up to 90 days in receiving chemotherapy was associated with no adverse outcomes, but prolonged delays led to increased risks of death from the disease.