A recent study from the University of Eastern Finland found that man-made snow drifts improved breeding success in seals during winters with poor snow conditions. The study developed novel methods for monitoring and conserving the critically endangered Saimaa ringed seal subspecies.
A team led by University of Pennsylvania professor Theodore Schurr has discovered that many Caribbean communities retain significant indigenous ancestry. Using DNA samples from over 88 participants in Trinidad and St. Vincent, the researchers found 42% of maternal and 28% of paternal genetic heritage.
Researchers found peanut proteins can persist in homes with no peanuts, despite avoidance efforts. Children with food allergies do not show increased anxiety compared to their peers, contrary to mother reports of panic disorder symptoms.
Two studies found that a specific gut bacteria, Bifidobacterium, is positively associated with anti-tumor T cell responses and upregulates genes critical for anti-tumor responses. Fecal transplants also slowed tumor growth in mice treated with immunotherapy agents.
Researchers have discovered a new view of how human blood is made, resolving how different kinds of blood cells form quickly from stem cells. This finding has significant implications for understanding and treating blood disorders and diseases.
Tropical Cyclone Chapala recently dissipated over Yemen, but another storm is now forming in the Arabian Sea. NASA's Global Precipitation Measurement mission detected this new system with scattered light to moderate rainfall falling at a rate of 23.3 mm per hour.
The MAVEN mission has revealed enhanced escape rates of ions during solar bursts, hinting at substantial atmospheric loss in early Martian history. The study also found a large vertical temperature gradient and mixing of gases near the thermosphere and ionosphere.
Experts discuss the impact of affordable medicines on breast cancer treatment, highlighting the importance of healthcare structures in improving patient outcomes. The lack of effective systems can negate even new, expensive treatments.
Two case studies illustrate how allergists can solve unexpected allergic responses, such as a woman with dry, chapped lips caused by kissing a corpse and another with chronic contact dermatitis from hair dye.
Researchers develop a step-wise problem-oriented approach to enhance the relevance of ES assessments for decision making. The new framework focuses on structuring ES information according to land use problems identified by stakeholders, collecting context-specific ES information as needed by decision makers.
A Nordic research team reviewed scientific articles on surrogate motherhood and found that most surrogacies work well in general terms. Only a small number of surrogate mothers experience problems handing over the child, with no negative signs in children's health or development up to age 10.
The US earns a 'C' grade for its preterm birth rate, with racial and ethnic disparities persisting in many states. Cities like Portland, Oregon, and St. Paul, Minnesota, have lower rates, while Shreveport, Louisiana, has the highest rate among major cities.
E.A.S.Y. LLC has received a $1 million NIH grant to develop an interactive graphics printer that translates conventional graphics to raised-line versions for the blind, enabling them to take math and science courses like sighted students. The printer will be used in schools nationwide to create accessible worksheets.
Research by Rockefeller University scientists shows DNA strands increase mobility during repair, which may serve as a 'fail-safe mechanism'. This process is linked to chemotherapy and cancer treatment, and understanding its mechanisms could lead to new therapies.
A new study published in Biological Psychiatry found that treatment for insomnia with cognitive behavioral therapy or tai chi reduces inflammation levels in older adults. These behavioral interventions also represent a third pillar, along with diet and physical activity, to promote health and reduce age-related morbidities.
A team of engineers has developed a simple technique for diagnosing and monitoring sickle cell disease using magnetic levitation and a smartphone. The test is quick, inexpensive, and can be performed in regions with limited medical resources.
Researchers develop 'kick and kill' strategy using Dual-Affinity Re-Targeting molecules to target HIV-infected cells and killer T cells. The study shows that the molecules can induce killing of infected cells and reduce detectable HIV expression in blood cells.
A new approach using the KiTOMI model dismisses myths and provides evidence-based practical recommendations for healthcare providers counseling heart patients about sexual activity. The risk of death during sex is very low for most clinically stable heart patients, with even lower risk for women.
Researchers discovered that introducing a specific strain of bacteria into mice with melanoma boosted their immune systems to attack tumor cells. The findings suggest that manipulating gut bacteria can improve immunotherapy outcomes, providing a new approach to treating cancer.
A new study suggests that protected areas are failing to meet biodiversity goals due to inadequate science and management. The Wildlife Conservation Society proposes a three-point plan to improve the effectiveness of protected areas, including establishing ecologically sensible targets and identifying performance metrics.
Researchers unveil two archaic aquatic carnivorous amphibian species from northeastern Brazil, shedding light on animal dispersal during the Permian period. The discoveries reveal a previously unknown geographic gap in knowledge about ancient life.
A lack of sufficient sleep reduces the body's sensitivity to insulin, impairing blood sugar regulation and increasing diabetes risk. The study found that insufficient sleep impairs insulin sensitivity, leading to a reduced ability to regulate blood sugar levels.
The Nearby Supernova Factory has developed a new method to measure cosmological distances using 'supernova twins,' which are pairs of supernovae with closely matched spectra. This approach reduces the scatter in brightness dispersion to just 8%, allowing for more accurate measurements and a stronger test of dark energy theory.
A U-M study of patients at a free clinic found that perceived cost and knowledge gaps about low-cost plans are major barriers to healthcare for the uninsured. The researchers hope their findings will prompt other safety net clinics to offer personalized insurance counseling services.
A recent review article by UC Riverside-led researcher Peter Graystock highlights the risks of managed bees to wild bees, including disease transmission and population declines. The study recommends improved disease screening, unified international regulations, and conservation efforts to mitigate these effects.
Researchers at SLAC National Accelerator Laboratory discovered a surprising 3-D effect in a superconducting material, resolving an apparent mismatch in data and charting a new course for understanding electrons in these exotic materials. The study revealed a newly found type of 'charge density wave' closely tied to high-temperature sup...
Researchers found evidence of significant natural climate change in ancient Morocco that led to the introduction of early agriculture. The study, published by UC geologist Yurena Yanes, analyzed oxygen isotope samples from snail shells and found a clear link between climate change and the shift from hunting to farming.
Scientists have identified a chemical compound that can potentially be used in eye drops to reverse cataracts. The compound, known as compound 29, was shown to stabilize crystallins and prevent them from forming amyloids, which are the hallmark of cataract disease.
The Martian atmosphere is losing gas to space via stripping by the solar wind, with erosion rates increasing significantly during solar storms. Researchers have determined that almost 75% of escaping ions come from Mars' tail region.
A new treatment approach, CIT-S, combines family therapy with culturally-based practices to reduce caregiver burden and shame. The study found that CIT-S was effective in improving caregivers' quality of life and reducing psychiatric symptoms.
A new study suggests that shorter sleep duration is significantly linked with a more rapid decline in kidney function. Women who slept less than 5 hours per night had a 65% increased likelihood of experiencing a rapid decline in kidney function compared to those sleeping 7-8 hours.
Physicists at the University of Maryland have accelerated electron beams to nearly the speed of light using millijoules of laser pulse energy, a significant improvement over previous methods. This breakthrough could lead to ultra-compact machines useful for materials science and medical imaging, overcoming barriers in cost, complexity,...
The study has tremendous potential to improve our understanding of early development, enhance disease modeling, and promote therapeutic discovery. Researchers believe that work on chimeric embryos is vital to advance this field despite ethical concerns.
Researchers at the Beckman Institute found that positive stimuli, such as cute puppies, increase brain activity in areas involved in emotion control and working memory. Positive distractions do not interfere with task completion, unlike negative distractions like barking dogs, which decrease activity in these regions.
Researchers sequenced the complete genome of dinoflagellate S. kawagutii, revealing surprising findings about its genetic makeup and adaptability. The study suggests that this species has evolved to cope with stress imposed by climate change and pollution, potentially holding key to understanding other dinoflagellates.
A new study found that kids with asthma who make 5 acute care visits have a 87% probability of future emergency department visits. Early treatment and controlled asthma management significantly reduce asthma attacks and ED visits.
Researchers have successfully transferred genes from poppies to another species, Arabidopsis thaliana, to prevent self-pollination. This breakthrough could lead to breeding stronger, more resilient crops faster and at lower cost.
Researchers at Queensland University of Technology are investigating innovation systems to guide businesses and stimulate economic growth. The project aims to develop a theory of innovation systems to analyse which processes are most beneficial for organisations.
A mindfulness-based group intervention significantly reduces anxiety, depression, and improves quality of life in patients with inflammatory bowel diseases. Six months later, the benefits persist, making mindfulness practices a feasible and effective treatment option.
Researchers found joiner neurons that can be pre-positioned for rapid recruitment into memories, changing how brain networks adjust to build memories. This discovery has implications for understanding memory formation and developing new strategies for brain injury recovery.
Scientists have discovered a previously undocumented sheet-silicate crystal structure in the alkali-aggregate reaction, a chemical process that weakens concrete over decades. This breakthrough could lead to the development of more durable concrete, reducing global infrastructure failures.
A study in New England Journal of Medicine found that suPAR, a circulating protein, can reliably predict chronic kidney disease up to five years before symptoms appear. High suPAR levels are associated with an increased risk of developing the disease, which affects over 15% of people in the US.
A $9.4 million grant is being used to test a transdermal nicotine patch for improving memory loss in older adults with mild cognitive impairment (MCI). MCI affects millions of people worldwide and is the stage between normal aging and dementia when others notice mild memory problems.
A new Northwestern Medicine study has identified thousands of genetic pathways that regulate insulin production and blood sugar control in the pancreas, which could lead to new therapies for children and adults with diabetes. The researchers created a detailed map of genes controlled by the circadian clock's transcription factors.
This week in BMJ Case Reports highlights the risks of accidental overdosing on herbal medicines, severe iron deficiency associated with heavy head lice infestation, and a rare complication involving a hair pin pierced through a child's kidney.
Researchers have identified a mechanism that allows the nervous system to heal itself by correctly directing axons to reconnect. Using zebrafish with fluorescent proteins, they found that regenerating axons explore both correct and incorrect paths but are guided towards the proper direction by extracellular matrix components.
A new study published in the American Journal of Psychiatry suggests that cognitive-behavioral therapy (CBT) is more effective than light therapy in preventing relapse of seasonal affective disorder (SAD). CBT was found to be significantly better at preventing depression recurrence, with only 27% of subjects experiencing symptoms compa...
A new study reveals that fitness level impacts brain connectivity in older adults, with more fit individuals showing stronger brain connections. The research suggests that cardiorespiratory fitness has a positive effect on brain health as people age.
Astronomers use Hubble Space Telescope to uncover blueprints of Milky Way's early construction phase, revealing the history of stars that existed 12 billion years ago. The study suggests the galaxy's bulge formed first and its stellar inhabitants were born quickly, with the rest of the galaxy growing more slowly.
A recent study published in Current Biology suggests that growing up in a non-religious household may increase altruism in children. The research found that children from non-religious families were significantly more likely to share with others, contrary to the commonly held notion that religion promotes generosity.
Researchers discovered a compound that stabilizes αB-crystallin proteins, reducing aggregation and improving cataract transparency. The molecule partially reversed existing aggregation and restored lens clarity in mice and human samples.
Research suggests that cranberries can help reduce the incidence of symptomatic UTIs, potentially reducing antibiotic use and mitigating antibiotic resistance. Cranberry's unique blend of polyphenol antioxidants may also assist in preserving heart and cognitive health, protecting against oxidative stress.
A new treatment using vascular endothelial growth factor fused to a bioengineered carrier promotes the recovery of kidney function in pigs with chronic renovascular disease. The study shows that this treatment can improve kidney function, potentially leading to substantial implications for the management of renovascular disease.
Researchers identified pejvakin as a crucial molecule in the hearing system, and its absence is linked to noise-induced hearing loss. The study found that mice with inactivated pejvakin genes exhibited varying levels of hearing impairments, highlighting the importance of environmental factors in hearing damage.
NASA engineers have developed a new mirror technology that can take almost any shape, reducing package size and improving image quality. This 'freeform optics' technology is ideal for compact telescopes on small satellites and CubeSats.
NASA's MAVEN mission has determined that Mars is losing gas to space via stripping by the solar wind, a process that may have contributed to the planet's dry climate. The research suggests that powerful solar storms can accelerate this process, potentially playing a significant role in changing Mars' climate over billions of years.
A new study by the American College of Allergy, Asthma and Immunology found that 53% of siblings of children with food allergies had a sensitivity to a food, while only 13% had an actual food allergy. The study suggests that food allergy testing should be limited in these cases.
A new study reveals that ground-level ozone has been reducing crop yields of maize and soybeans by 5% and 10%, respectively, over the last 30 years. The researchers calculated an annual loss of $9 billion due to ozone damage, highlighting the need for upgraded emissions regulations.
Researchers developed NOMAD, a novel way to analyze bigger datasets using supercomputers and machine learning algorithms, achieving superlinear speedup on large-scale data. This breakthrough enables efficient processing of massive networks, predicting user preferences and identifying key topics in billions of documents.
A University of Cincinnati researcher found that acute kidney injury doubles the rate of renal function loss in diabetic patients. The study suggests that AKI increases the risk of chronic kidney disease and accelerates the progression to end-stage renal disease.