A recent Brown University-led study has resolved long-standing discrepancies in research on aging by identifying the human chemotherapy drug FUdR as a key factor. The study found that FUdR triggers stress response and DNA repair pathways in C. elegans worms, allowing them to better endure adverse conditions and lengthening their lifespan.
Researchers from Brown University have developed a technique that eliminates the need for highly specialized external light sources, enabling more versatile and compact devices. This breakthrough could lead to the creation of hand-held environmental sensors and biosensors that can perform complete blood workups from single drops.
Kenneth Miller, a practicing Catholic and author of Finding Darwin's God, argues that science and faith are distinct. He defends evolution against Intelligent Design's claim that certain biological features are 'irreducibly complex,' citing examples where removing even one part makes the structure non-functional.
A new study reveals that chromosomes undergo a transformation in senescent cells, with some genes moving into more restrictive compartments. This change affects gene expression and may have implications for health conditions such as aging and cancer.
Geologists from Brown University have discovered that water escaping from mineral lawsonite at high temperatures and pressures makes it prone to brittle failure, triggering earthquakes. This explains why certain quakes occur in cold subduction zones where lawsonite forms, but not in hot zones.
A new review suggests that Americans are not using infertility treatments and technologies as much as they could due to limited insurance coverage. The number of women aged 25-44 who have used infertility services decreased by 16% between 1995 and 2010, with usage rates being only 40% of the likely need in the US population.
A new randomized controlled trial at Brown University found that combining the drug topiramate with psychological counseling significantly reduced marijuana use among young smokers. However, many participants struggled with the medication's side effects, leading to dropout rates of 60%. The study suggests that medications can help redu...
A new study reveals significant racial disparities in treatment for patients with HIV and Hodgkin lymphoma, with black patients facing higher rates of non-treatment. Despite effective treatment options, doctors note that socioeconomic factors and lack of access to care may contribute to these disparities.
Researchers found that human activities contribute far less nitrogen to the open ocean than previously thought. The study suggests that the ocean plays a substantial role in recycling organic nitrogen, reducing the impact of nitrogen pollution on the carbon cycle.
Research by Brown University biologist Christopher Anderson reveals the smallest species of chameleon produces the most powerful tongue acceleration, with peak values 264 times greater than gravitational acceleration.
A study published in The Lancet Global Health found that doctors trained on sexually transmitted infections (STIs) had 38% lower odds of patients being infected with gonorrhea or chlamydia. This training also led to improved knowledge among physicians and reduced rates of new STI transmissions.
Researchers at Brown University have developed an algorithm that allows off-the-shelf cameras to capture high-quality 3D images without synchronized projector and camera hardware. The technique uses a structured light flash and can assemble images pixel by pixel to create accurate 3D models.
A new study reveals that blocking the production of a naturally occurring protein responsible for transporting fats around the body increases life span in nematodes and mice. The research suggests that this protein, VIT, hinders essential cell functions and prevents the reuse of fats for healthier purposes.
A new study finds that treatment resources for non-veterans with PTSD are much less cohesive and helpful than those available to veterans. The review of research literature highlights the need for better guidance on treating PTSD in specific vulnerable subpopulations, such as victims of sexual assault and natural disasters.
The Brown University and Rhode Island Hospital have been awarded grants to integrate substance abuse screening and intervention into their curriculum. The training program aims to expand screening and intervention for opioid overdose deaths in Rhode Island, which has seen a rise in opioid-related deaths. The program will provide traini...
A new study confirms that home-delivered meals provide more than just nutrition and food security for seniors. The research found that meal delivery significantly reduced feelings of loneliness among participants, particularly those who received daily deliveries.
A new study estimates that up to 50% of children in Lesotho live in households with someone infected or are orphaned due to HIV/AIDS. The research highlights the substantial number of children affected by HIV-infected adults, often living with parents who are infected, and emphasizes the need for distinct care and outreach efforts.
Researchers have identified a new protein, NELL2, that acts as a 'Do Not Enter' sign to guide axons across the midline of the spinal cord. This finding contributes to solving the mystery of axon guidance and may advance therapeutic approaches for neuronal repair.
A mathematical model developed by Brown University researchers sheds light on how zebrafish get their iconic stripes. The model simulates the movement of pigment cells and birth and death of cells to recreate the development of stripes as seen in experiments.
Researchers discovered that bats' weighty wings enable a unique landing technique by utilizing inertial forces. By reorienting their bodies through wing mass and inertia, bats can land feet-first and quickly adjust for forward flight.
A new study by Brown University found that HIV incidence rises significantly in the five years leading up to bloodshed in sub-Saharan Africa. The rate of new infections increases by 2.1 infections per 1000 people a year during this period, compared to times of peace.
Children exposed to high levels of PFOA during pregnancy experience rapid body fat gain and higher body fat by age 8 compared to those with lower exposure. The study found a significant association between prenatal PFOA levels and childhood adiposity, raising concerns about potential effects on type 2 diabetes.
A new study improves BrainGate's user experience and performance with three software innovations, allowing users to control electronic devices without frequent recalibration. The advancements enable longer use sessions and improved accuracy, paving the way for a practical BCI assistive technology.
Research in Mato Grosso reveals nearly two-thirds of remaining forests and carbon reserves are on private properties owned by large landowners. The study suggests continued focus on larger properties is crucial to preserving forest cover.
Scientists at Brown University have successfully cultured cells to produce extracellular matrix with strength comparable to natural tissues. By using specialized molds to guide cell growth and alignment, the researchers created ECMs with specific mechanical properties, such as collagen fibers aligned along a tendon-like structure.
Researchers found that salamander-like regenerative capacities exist in fossil tetrapods from the Carboniferous and Permian periods. This suggests that high regeneration was a primitive state for all four-legged vertebrates, potentially lost in evolution.
By rapidly changing the environment around phosphor emitters, researchers have developed a method to modulate their emission at high speeds, overcoming the limitation of slow optical lifetimes. This breakthrough could enable the use of phosphors in new applications, such as optical communications networks on computer chips.
A new study finds that antibiotics create conditions for bacterial demise by stressing their metabolism, leading to oxidative stress that breaks down DNA and other key molecules. This understanding could lead to more effective treatments for patients fighting infections.
A study of nearly 400 people found that those with higher dispositional mindfulness had a lower risk of obesity and less abdominal fat. The researchers suggest that increased awareness of thoughts and feelings may help individuals overcome cravings for unhealthy foods and exercise habits.
A giant mound near the Moon's south pole has been found to be a result of a unique volcanic activity triggered by a colossal impact. The Mafic Mound, standing 800 meters tall and 75 kilometers across, exhibits a different mineralogical composition than the surrounding rock.
A new method allows patients to get effective treatment quickly with improved sensitivity and speed. The system operates directly on the virus' RNA rather than requiring extra steps, enabling faster detection of drug-resistant strains.
Researchers found that impacts on Ceres tend to retain large proportions of material, suggesting a homogeneous surface composed of meteoritic material collected over billions of years. This could have implications for asteroid sample return missions and require careful landing site selection.
Brown University researchers have created a new optoelectronic device that can stimulate multiple neuronal targets optically and record the effects in millisecond precision. This breakthrough allows scientists to control brain cell activity using specific spatial patterns of light pulses, enabling the study of neural circuits and netwo...
A new study reveals that FUS proteins do not assume a regular shape but instead form dynamic droplets with RNA, which are crucial for organizing genetic material. This finding challenges the assumption that preventing FUS-related diseases like ALS and cancer can be achieved by targeting its static forms.
The Bootstrap curriculum is a 10-week classroom module that helps students learn algebra by creating their own video games using key concepts like variables, functions, and the Pythagorean theorem. The $1.5 million grant from NSF will support research and workshops to train 600 additional teachers.
A new Brown University study found that patients who require high-cost services like hospital, at-home, or nursing home care are more likely to switch from private Medicare Advantage plans to traditional Medicare. This shift occurs despite federal policy aimed at preventing it, raising questions about the effectiveness of current regul...
Researchers at Brown University have developed a new fabrication method to attain better than 15-percent energy conversion efficiency from perovskite solar cells larger than one square centimeter area. The process, which involves growing ultra-smooth films of perovskite crystals, reduces defects and increases efficiency.
The researchers created mini-brains using living tissue from a single rodent, which can form complex neural connections and produce electrical signals within two weeks. The approach is expected to reduce animal use in neuroscience research and make it more accessible to labs without advanced equipment.
A recent study suggests that experienced skilled nursing facilities are more likely to successfully discharge patients back to the community within 30 days of breaking a hip. Facilities with over 24 cases in the prior year had a discharge rate of 43.7%, compared to 18.8% for those with fewer cases.
Researchers at Brown University used optogenetics to manipulate the brain's perception of novelty and familiarity in rats. They found that different frequencies of light stimulation could alter the rats' behavior, with 30-40 hertz inducing a sense of novelty and 10-15 hertz inducing a sense of familiarity.
The Brown University Superfund Research Program will advance research on toxicant exposures and safety, focusing on biomedical and engineering solutions for regulatory uncertainty. Researchers will investigate physiological effects of toxicants on the male reproductive system and explore graphene's potential to block toxicant releases.
A study published in Neuron found that the rostrolateral prefrontal cortex (RLPFC) plays a crucial role in internally monitoring and guiding our behavior through sequences of tasks. By disrupting this region, researchers observed an increase in errors, highlighting its importance for cognitive control.
Bunostegos' forelimb anatomy reveals unique characteristics allowing it to stand with legs under the body. This finding indicates the earliest known example of an upright posture in pre-reptiles, dating back 260 million years.
Researchers at Brown University are conducting a five-year study on mindfulness and patient treatment adherence, funded by a $4.7 million NIH grant. The study aims to determine whether mindfulness interventions can influence self-regulation related to medical regimen adherence, with the goal of improving health outcomes.
Researchers from Brown University have developed a system for multiplexing terahertz waves, which enables separate streams of data to travel through a single medium. This technology has the potential to support terahertz wireless systems that can deliver data at much higher speeds than current cellular or Wi-Fi networks.
A study published in PLOS Computational Biology suggests that the brain's prioritization of scenic categories may not be as complex as previously thought. Researchers found that people tend to make the easiest distinctions first, rather than following a predetermined hierarchy.
A new study suggests that nocturnal enuresis, or bedwetting, may be an additional symptom to look for when assessing post-menopausal women for obstructive sleep apnea. The study found a strong association between OSA risk factors and nocturnal enuresis in postmenopausal women.
Researchers have found evidence that melanosomes, which produce melanin pigment, are preserved in the fossil record of Anchiornis huxleyi, a bird-like dinosaur. The study uses electron microscopy and chemical analysis to demonstrate that the microbodies are indeed melanosomes, not microbes.
A new study found that taking a gadget to bed can suppress melatonin production and disrupt sleep patterns in children aged 9-15, especially those in early puberty. The study also found that brighter screen lights have a greater impact on sleep, with 500 lux being the most effective at suppressing melatonin.
Scientists from Brown University and Carnegie Institution for Science have identified the volatile gas that drove lunar fire fountain eruptions, a type of eruption that occurs frequently in Hawaii. The gas is found to be carbon monoxide (CO), which combined with oxygen to form, responsible for the fire fountains that sprayed volcanic g...