Researchers conducted a long-term study on biodiversity in subtropical forests of China, finding that there might be an under- or overestimation of global biodiversity by up to 50% when only a few taxa are sampled. The study used traditional methods combined with DNA analysis to determine species numbers, revealing that larger areas an...
A national survey of 255 Muslim American physicians found that nearly half felt greater scrutiny at work, and one in four experienced workplace religious discrimination. The study emphasizes the need for policies to promote respect and accommodation for minority religions in the healthcare workforce.
A new rapid test using polarized light can detect a wide range of pathogens, including malaria parasites, HIV, Ebola, diverse bacteria, glucose and cholesterol. The test is extremely fast, inexpensive, and flexible, making it suitable for use in areas with limited laboratory equipment.
Reduced storm activity over mid-latitude regions leads to more persistent heatwaves and droughts, while also increasing the likelihood of record-breaking cold temperatures. This study highlights the sensitivity of regional weather conditions to changes in large-scale atmosphere dynamics.
Tropical Depression Melor formed in the Northwestern Pacific Ocean close to Yap island, consolidating with powerful thunderstorms and cloud top temperatures exceeding -63F. The storm is expected to strengthen to 60 knots before landfall in the eastern Philippines on Dec. 14.
A team of international experts found that a large-scale volcanic event restricted ocean flow, leading to an extended Ice Age in the Jurassic Period. This cooling occurred despite the period's warm conditions, contradicting previous assumptions about CO2-driven climate change.
A new study found that freelance workers are calmer and more enthusiastic when their hours are higher than normal, but this is at the expense of their work-life balance and wellbeing. The researchers suggest that 'enchantment-based work-family/non-work interference' occurs when long hours generate enthusiasm.
Researchers found similar outcomes for disease recurrence between women taking anastrozole and those taking tamoxifen, but noted significant differences in side effects. Women on anastrozole had fewer endometrial and ovarian cancers, while those on tamoxifen experienced more major thromboembolic events.
A new study found that tropical groundwater is replenished disproportionately from heavy rainfalls, making it a climate-resilient source of freshwater. The long-term viability of these resources relies on the replenishment of groundwater supplies.
A clinical trial found that anastrozole is as effective as tamoxifen in treating ductal carcinoma in situ (DCIS), a very early form of breast cancer. Anastrozole offers a new treatment option for post-menopausal women with fewer side effects, such as womb and ovarian cancers.
A survey of 3,000 Swiss university students found that 70% believed using prescription drugs for cognitive enhancement was unfair. The study suggests that universities should provide more information on the risks and benefits of brain-doping to address these concerns.
Scientists at Berkeley Lab have developed a bidirectional freeze-casting technique to manufacture novel structural materials with high control over structure. The technique, inspired by natural materials like bones and shells, enables the creation of advanced porous materials with outstanding properties.
Researchers at the University of Alberta investigated past changes in Earth's core rotation to understand global sea-level rise. They found a correlation between the slowing down of Earth's rotation and the increase in sea levels over the past century.
The T-DM1 trial showed that the treatment increased median overall survival for heavily pretreated HER2-positive breast cancer patients by 22.7 months compared to treatment of physician's choice. The study also found reduced incidence of grade 3 or higher adverse events among those assigned T-DM1.
A pair of socks embedded with microbial fuel cells powered by wearer's urine has successfully transmitted signals wirelessly. The system opens possibilities for using waste as a power source in portable and wearable electronics.
A study in rural Malawi found that antiretroviral therapy (ART) not only benefits HIV-positive individuals but also those without the disease. ART reduced perceived mortality risk and led to increased productivity among HIV-negative people, particularly in terms of corn production.
A study published in Royal Society's journal found that marine conservation projects can have unequal impacts on different community groups, such as men vs women or the elderly. The researchers suggest tailoring projects to address these disparities and promote more effective poverty alleviation and environmental sustainability.
The FaceDirector system enables directors to fine-tune performances in post-production, saving time and money by avoiding reshoots. It combines facial expressions and audio cues for optimal synchronization, allowing users to generate novel versions of performances.
Liquid biopsies may help predict treatment responses and genetic mutations that impact prognosis in advanced breast cancer. The tests analyzed tumor DNA in blood samples, revealing potential benefits and risks of combining therapies.
Researchers have identified 335 genes that regulate the formation and function of extracellular vesicles (EVs), tiny bubbles released by cells. EVs can promote tissue repair or carry disease signals for cancer and neurodegenerative diseases like Alzheimer's. Understanding EV biology could lead to new therapeutic treatments.
A new study found that modern birds arose in what is now South America around 90 million years ago. The research suggests that birds survived the Cretaceous-Paleogene extinction event and then diversified during periods of global cooling, with diversification rates increasing as the climate cooled.
The Planetary Health Alliance aims to improve understanding of environmental change and human health. The alliance will foster research, training, and policy action at the intersection of environment and public health.
A study by the USDA Forest Service's Northern Research Station found that institutions influence the demographic composition of scientists. The research reveals initiatives have narrowed the gender gap over the past 30 years, with women comprising 26% of scientists in R&D.
Researchers discovered how Qβ bacteriophage uses its host cell's proteins to replicate its genetic material, highlighting the importance of selectively replicating one's own genome. The study's findings may pave the way for novel treatments targeting viruses that struggle to distinguish between their own and host genetic material.
Researchers have developed fallopian tube organoids to study female genital diseases such as infertility, inflammatory disease, and ovarian cancer. These hollow spheres can culture cells from clinical fallopian tube samples, offering a new avenue for investigating disease mechanisms and developing therapies.
Electrical engineers at UC San Diego developed a spectral-cloning receiver that can extract faint, non-repetitive signals from noise. This innovation has applications in secure communication, electronic warfare, signal intelligence, remote sensing, astronomy, and spectroscopy.
A national survey of 255 Muslim American physicians found nearly half experienced greater scrutiny at work due to their religion. Despite no association with religious appearance or practice, these doctors face similar rates of career advancement restrictions, sparking calls for targeted workforce diversity efforts.
A recent study has identified 116 species of round-waisted predatory beetles in Haleakala volcano, including 74 new to science. The discovery highlights the extreme diversity and abundance of beetle fauna on the volcano, with many species occupying specific microhabitats.
A study found that earlier intervention leads to better weight recovery in young children with multiple household risk factors, such as poverty and single parenthood. The pioneering use of video recordings helps families establish healthy habits and mealtime routines.
A £5.7 million grant from the Biotechnology and Biological Sciences Research Council (BBSRC) will support the development of cheap and effective vaccines for poultry. The project aims to reduce infections in humans and minimize antibiotics in the food chain, with potential applications for cattle, sheep, and goats.
Researchers at Washington State University developed a catalyst that easily converts bio-based ethanol to isobutene, a widely used industrial chemical. The breakthrough could help reduce environmental impacts and meet new regulations for sustainability in the chemical industry.
Researchers found that treatment with transference-focused psychotherapy was associated with increased activation in cognitive control areas and decreased activation in emotional reactivity areas, suggesting potential symptom improvement in BPD. The study suggests that talk therapy may impact neural functioning.
Researchers developed a detailed chemical zonation model for oxygen-deficient oceans prior to 520 million years ago. The model suggests that early life was influenced by the heterogeneous and dynamic chemical conditions of these ancient oceans.
Researchers at Princeton University have developed a novel two-component catalyst system that performs the dehydrogenation reaction at room temperature. This method produces hydrogen gas and an alkene molecule without requiring high temperatures or precious metals, opening up new possibilities for chemical transformations.
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.