Researchers found that IVF treatments for severe male infertility are associated with a small increased risk of intellectual disability (18%) but not autism. ICSI procedures, particularly those involving surgically extracted sperm and fresh embryos, carry a higher risk of intellectual disability and autism.
A new study provides conclusive proof of a space wind first proposed 20 years ago, detected by the Cluster spacecraft in the Earth's magnetosphere. The wind releases almost 90 tonnes of plasma into space every day.
Researchers from the University of Leicester have developed a new technique to visualize and enhance latent fingerprints, increasing identification rates. The technique uses electrochromic polymers that change color when exposed to electricity or light, creating a negative image of the print.
A new class of antibiotic has been developed at the University of Adelaide, targeting a specific enzyme critical to bacterial metabolism. The compound, known as a protein inhibitor, binds to and inhibits biotin protein ligase, disrupting bacterial growth.
Researchers developed a non-invasive brain stimulation technique using transcranial magnetic stimulation to improve language function in stroke patients with chronic aphasia. The technique demonstrated long-term improvement in language production, enabling continued development of language capacity months after treatment.
A new species of white toothed shrew was discovered in Vietnam through molecular analysis, revealing the misinterpretations of previous morphological studies. The study also confirmed the existence of previously overlooked separate species within the genus Crocidura.
Tropical Storm Dalila has weakened near the southwestern Mexico coast, while a new tropical low pressure area called System 97E has formed in the Eastern Pacific Ocean. The storm's maximum sustained winds dropped to 65 mph on July 2, and it is now moving away from the coast into open waters.
A study by Duke University researchers has discovered that the brain's ventromedial prefrontal cortex, a small area between the eyes, calculates both emotional and economic values. The vmPFC plays a key role in value tradeoffs, such as determining whether to part with hard-earned money for a product.
Researchers at the University of Massachusetts Amherst and Lahore University of Management Sciences are developing affordable test strips to detect pathogenic bacteria in drinking water. The project aims to address water safety concerns in Lahore, where over 60% of water sources are contaminated with disease-causing bacteria.
A study found that collaborative care with brain-type natriuretic peptide (BNP) screening reduced the combined rates of left ventricular systolic dysfunction, diastolic dysfunction, and heart failure. BNP levels above 50 pg/mL identified patients at higher risk for cardiovascular events.
A new study identifies poor planning skills as a contributing factor to the income-achievement gap in children, which can emerge as early as kindergarten. The study found that lower household income during infancy is associated with poorer performance on reading and math in fifth grade.
A weekly yoga class provided similar lower back pain relief as twice weekly classes in a study of predominantly low-income adults. The results suggest that attending a medically appropriate weekly yoga class could benefit patients interested in trying yoga for lower back pain.
A coronal mass ejection was detected heading towards Mercury and Venus on July 1, 2013. The CME is expected to pass by NASA's Messenger, Spitzer, and STEREO-B satellites with only slight particle radiation associated with it.
Researchers have created a groundbreaking way to measure transporter proteins in living organisms, providing insights into metabolic networks and regulation. This breakthrough has major implications for plant biology and human health research, enabling monitoring of transporters like the Rhesus factor.
Researchers discovered that low levels of a toxic protein may cause more harm than high levels in neurodegenerative diseases such as Alzheimer's. Short protein threads formed at low levels can lead to disease progression, whereas longer filaments are thought to be protective.
For the first time, a large complex of proteins and RNA has been identified in chloroplasts, which cuts non-coding regions out of messenger RNA to create a protein blueprint. The study reveals that this splicing complex contains 23 different proteins encoded in the cell nucleus.
A new study developed a robust model for predicting corn yields using easily obtained measurements, such as plant morphology and precipitation. The model was tested across multiple environments and found accurate results, providing valuable insights for farmers and biofuel industries.
A study by the Economic & Social Research Council found that women know less about politics than men globally, regardless of country's gender equality rating. The research reveals a significant gap in news coverage, with women being underrepresented and cited less often.
Studies of early development in fishes reveal a single compartment in the hindbrain controlling vocal and pectoral mechanisms, which may explain why humans use hand gestures when speaking. This neural connection could be key to understanding the evolution of language.
A Swedish study of over 2.5 million children found a small, statistically significant increased risk of mental retardation after in vitro fertilization (IVF), but no association with autistic disorder. The study suggests that further research is needed to understand the long-term implications of IVF.
A study found that cerebral aneurysms of all sizes are 12 times more likely to rupture if they grow in size. The researchers observed growth in nearly 18% of asymptomatic cerebral aneurysms and found a strong association between aneurysm growth, initial size, and tobacco smoking.
The study identified 16 new genetic associations related to pollen, dust-mite, and cat allergies, highlighting key pathways in the biological basis of common allergies. This research provides a significant step towards understanding the genetic link between allergens and allergic reactions.
Researchers found that smoking cessation lowered the risk of coronary heart disease among postmenopausal women with and without diabetes. However, weight gain after quitting weakened this association, particularly for women who gained 11 lbs or more, according to a study using data from the Women's Health Initiative.
A large population study found that sufficient sleep increases the protective benefits of exercise, healthy diet, and non-smoking on cardiovascular disease. Adding sufficient sleep to these factors resulted in a 65% lower risk of composite CVD and an 83% lower risk of fatal events.
A new study published in Cell Metabolism suggests that cold exposure can accelerate the growth of atherosclerotic plaque in blood vessels, leading to increased risk of heart disease-related deaths. Brown fat activation has been linked to the formation of unstable plaques that can rupture and cause blockages in the heart and brain.
A study found that knee shape can affect ACL reconstruction decisions after a tear. Knees with more stable shapes, such as deeper tibial plateaus and less concave areas, may not require surgery. This discovery could help clinicians identify patients who can skip ACL reconstruction.
A new method for dating elephant tusks using radiocarbon levels could help enforce the ivory ban and save African elephants from extinction. The technique, developed by Columbia University researchers, can be applied to other endangered wildlife and is affordable for government agencies.
Researchers have developed two new methodologies to determine ALK status in non–small-cell lung cancer (NSCLC) patients. The first method improves IHC assay sensitivity using a novel hapten and tyramide amplification, detecting low levels of ALK protein expression. The second method combines brightfield IHC with in situ hybridization f...
A citywide policy recommending pre-hospital triage of suspected stroke patients led to increased use of intravenous tissue plasminogen activator (tPA) and emergency medical services. Admissions for stroke and transient ischemic attack also increased, with faster onset-to-treatment times.
Researchers have identified a key proteasome regulatory mechanism that affects cellular protein balance and may hold promise for treating neurodegenerative diseases. Decreased insulin/IGF-1 signalling increases proteasome activity, accelerating protein degradation and cell death.
A total of 27 fires are currently burning in northeast Manitoba, with areas at risk due to dry conditions. The wildfires have burned approximately 126,000 hectares and pose a significant threat to local communities.
A study identifies 40 countries as most poorly funded for biodiversity conservation, harboring 32% of threatened mammalian species. The researchers suggest how funding should change to achieve the UN's 2020 goals on reducing extinction.
Researchers found a significant association between grandparents' and grandchildren's social class positions, even after parents' education and income were considered. The 'grandparents effect' suggests that grandparents' class background influences children's occupational choices.
Tropical Storm Dalila is closely tracking the southwestern coast of Mexico, prompting a tropical storm warning and watch. The National Hurricane Center expects Dalila to intensify over the next couple of days, with minimum central pressure dropping from 1003 millibars.
Researchers explore fungal biology and bioengineering applications to produce enzymes for releasing sugars from biomass, converting to biofuels and biobased chemicals. Advances in technology enable the development of new industrial processes.
Researchers at the University of Helsinki have found that high doses of famotidine can penetrate the blood-brain barrier and affect the histamine system in the brain. After four weeks of treatment, symptoms of schizophrenia decreased statistically significantly in patients who received famotidine.
A UC Riverside-led team has discovered a new chemical called quinabactin that mimics a naturally occurring stress hormone in plants to improve drought tolerance. This breakthrough could provide a powerful tool for farmers to protect their crops under extreme weather conditions.
Research found that crocodylians have unique multi-sensory organs called dome pressure receptors or Integumentary Sensory organs, which grant fingertip sensitivity and detect surface pressure waves. These sensors also help regulate body temperature and detect suitable habitats.
A new study has identified countries with the worst and best funding for biodiversity conservation, revealing a need for improved global distribution of conservation funds. The research found that underfunded countries often harbor high levels of threatened mammal biodiversity, highlighting opportunities for targeted conservation efforts.
Astronomer Diana Dragomir reveals the hidden identity of super-Earth HD 97658b, measuring its size and mass for the first time. The exoplanet's density suggests a thick atmosphere, but it orbits too close to its star to support liquid water oceans.
Researchers at Case Western Reserve University traced chronic health problems of adult inner-city women to childhood abuse and neglect. The study found that childhood trauma affects physical health in adulthood through lifetime drug dependence, smoking, and psychological distress.
A new UCLA-led study found that primary care physicians rarely discuss the risks and benefits of dietary supplements with their patients. The study analyzed audio recordings from over 1,400 office visits and discovered that only six out of 738 supplements were discussed in detail regarding all five major topics.
Research from USC Davis School of Gerontology shows that attributing every forgetful moment to getting older can worsen memory problems. However, framing tests in terms of preventing losses due to forgetting can actually enhance older adults' memory performance.
Two Salk studies reveal that neurons in area V4 of the visual cortex exhibit trade-offs between stimulus complexity and translation invariance. This challenges the existing understanding of neural processing, with implications for building more advanced computer systems and developing therapies for visual disorders.
Researchers identified a key role for Scara1 in clearing amyloid beta from the brain, which may lead to a new therapeutic approach for Alzheimer's. In mouse models, Scara1 deficiency accelerated A-beta deposition and death, while upregulation enhanced clearance.
Research published in the Journal of Leukocyte Biology found that excessive mast cells lead to delayed wound healing due to overproduction of IL-10. The study provides a potential therapeutic target for future drug development.
Research published in BMJ Open found that 19.9% of respondents had been bullied by colleagues within the past six months, with medical and dental staff reporting the highest levels of bullying. The study also highlighted the impact of bullying on psychological distress, job satisfaction, and increased intentions to leave the profession.
Researchers have made significant progress in developing new gene therapies to treat Sickle Cell Disease, malaria, and Mucopolysaccharidosis Type IIIA. In the Journal of Clinical Investigation, scientists successfully delivered a replacement gene to the brain in mice and dogs with MPSIIIA using intra-cerebrospinal fluid gene therapy.
Researchers developed a new method using radioactive carbon-14 from nuclear bomb tests to determine the age of ivory, helping to combat illegal poaching. The method has immediate applications in enforcing international trade bans and reducing demand for ivory.
A study by San Francisco State University found that older married couples tend to increase their avoidance of conflict discussions over time. This shift may be driven by age-related changes in socioemotional goals, where individuals prioritize less conflict and more positive experiences.
A new study by Duke University researchers found that short-term exposure to intense political violence can increase delinquent and aggressive behaviors in children. Children exposed to the violence displayed a range of increased problem behaviors, including bullying, vandalism, and skipping school.
Researchers found TP53 as the most commonly mutated tumor suppressor gene in hepatocellular carcinoma, leading to poor survival outcomes. The study also identified the Wnt/β-Catenin signaling pathway as a major oncogenic driver in liver cancer.
As climate change induces large changes to plant communities, disequilibrium will become the norm, with plants taking an extremely long time to adapt. This shift will challenge natural forest management, preservation status, and human introduction of new species, ultimately altering ecosystem balance.
A new study found that DNA particles in the blood can serve as markers of disease and may help identify patients with severely narrowed coronary arteries. Higher levels of these particles were linked to high levels of coronary artery calcium deposits.
Researchers at Pitt and MWRI found that placental cells can resist viral infection by transferring genetic material called microRNAs through tiny spheres called exosomes. This trait could lead to new approaches to combat viral infections during pregnancy.
A new pilot study found that watching an avatar model healthy weight loss behaviors could lead to significant weight loss for overweight women. After four weeks of treatment, the women in the study lost an average of 3.5 pounds.
Anurag Singh, PhD, has received a $100,000 ALA Lung Cancer Discovery Grant to study targeted therapies for drug-resistant lung cancers. He aims to develop strategies to block KRAS protein function and improve treatment outcomes.
Researchers at Arizona State University have made significant progress in understanding cell fate determination, a process that governs how cells develop and transition. By using mathematical modeling and synthetic biology techniques, they created artificial gene networks and observed the behavior of cells as they approached their tipp...
A key brain structure that regulates emotions works differently in depressed preschoolers compared to their healthy peers, according to new research. The findings suggest the children's brains may be experiencing an exaggeration of a normal developmental response to emotions.
A new study found that China's payments for ecosystem services programs led to significant forest growth and environmental benefits. However, the programs also had negative impacts on rural households and their livelihoods, highlighting the need for more sustainable policies.