A recent study published in Biological Reviews found that matrotrophy, where mothers provide nutrients to their embryos during gestation, has evolved independently in at least 21 of 34 animal phyla. This process is more common than previously thought and is often associated with live birth.
Researchers discovered that bacterial viruses carry genetic instructions for producing an actin-like protein, which enables the transport of their DNA to host cells. This mechanism allows the virus to replicate its genome in bacteria lacking a cytoskeleton.
A new study led by the London School of Hygiene & Tropical Medicine found that making realistic changes to UK diets could have substantial benefits for both health and the environment. The modified diet would contain fewer animal products, more fruit and vegetables, and less savoury snacks.
Researchers have discovered a new way to harness the defects in liquid crystals to create novel meta-materials with potential applications in optics and electronics. By exploiting these 'defect lines', scientists can remotely interact among colloidal particles, allowing for energy-efficient control and unprecedented plasticity.
The CU Anschutz College of Nursing has received $14,997 in funding from the Patient-Centered Outcomes Research Institute to develop a program reducing veteran suicides. The program will engage with veterans and caregivers through monthly meetings to identify protective factors for suicide prevention.
Research suggests that eating more protein throughout the day can lead to significant improvements in weight loss and metabolism. Dr. Heather Leidy recommends integrating moderate amounts of high-quality protein into daily meals, especially breakfast and lunch, to achieve optimal benefits.
Scientists from Brown University have successfully linked chlorophyll fluorescence to plant photosynthesis in a deciduous forest, validating orbital measurements of fluorescence with ground-based observations. The study provides crucial ground-truth for measuring photosynthesis on a global scale from low-Earth orbit.
Researchers found that differences in reactivity to retinoic acid in spermatogonial stem cells are controlled by the Rarγ gene. This discovery explains how mammalian testis maintain a delicate balance between stem cell numbers and differentiation into sperm. The study suggests that other tissues may also be maintained through similar m...
A new University of Adelaide study discovered an association between contact with seminal fluid and the development of endometriosis. The research found that seminal fluid enhances the survival and growth of endometriosis lesions, potentially increasing the risk of progression in women.
Researchers found that Wnt and Activin pathways work together to activate essential genes for stem cells to differentiate. This discovery could improve regenerative therapies and understanding of cancer development.
A study found that obese patients undergoing common cosmetic plastic surgery procedures had higher rates of complications, hospital visits, and emergency department visits. The findings link obesity to increased healthcare costs, with average cost differences ranging from $3,900 to $7,400.
Researchers studied wild bearded capuchin monkeys cracking nuts using stone hammers and found they modulate strikes based on the condition of the nutshell. This sophisticated ability suggests a cognitive accomplishment.
Researchers analyzed gravity satellite data to conclude that Antarctica's ice cap is melting faster than ever. The southern continent lost 92 billion tons of ice per year from 2003 to 2014, with West Antarctica's ice sheet losing twice as much as East Antarctica.
Physicists have created a stable Efimov state consisting of three helium atoms, exhibiting huge distances between binding partners. The discovery confirms theoretical predictions and opens new avenues for research in quantum mechanics.
A new study suggests that climate change will substantially increase the likelihood of record-breaking warm years in England, with a 13-fold increase or more likely due to human influences. The Central England Temperature series shows rapid warming over the past 60 years, with 2014 as the warmest year on record.
A recent study published in Clinical Infectious Diseases found that swine farmers are more likely to carry multidrug-resistant Staphylococcus aureus (S. aureus) than people without current swine exposure. The researchers followed a group of 1,342 Iowans for 17 months and discovered that farmers with livestock exposure, particularly swi...
Researchers at Ben-Gurion University of the Negev are developing a new urban water program, focusing on water-sensitive cities and innovative technologies to deliver water security. The program aims to improve urban climates, reduce carbon footprints and enhance quality of life.
Researchers have discovered that telomeres are essential for the renewal of plant stem cells and growth. The study uses innovative technology to measure telomeres at the cellular level in plants, revealing a vital relationship between telomere length, stem cells, and longevity. This breakthrough has implications for developing novel th...
Researchers have uncovered the molecular mechanisms behind brachiopod shell formation, revealing evolutionary conserved genetic programs among invertebrates. The study identifies unique proteins and structural resemblances to other animal phyla, providing new insights into the evolution of biomineralization.
A research team from Griffith's Eskitis Institute led by Professor Vicky Avery receives a major boost to develop effective anti-malarial drugs against Plasmodium falciparum and Plasmodium vivax. The project aims to combat drug resistance and prevent relapse.
A study using fossils to predict extinction risk identifies vulnerable ocean ecosystems and species, providing a baseline for conservation efforts. The analysis finds that animals with small geographic ranges and certain groups are more prone to extinction, highlighting the need for targeted conservation and management.
Scientists at The Wistar Institute have identified a way that cells can reprogram their metabolism to overcome senescence, a tumor-suppressing mechanism. This reprogramming allows for the proliferation of cells that should have become senescent and has the potential to lead to tumor formation.
Monash researchers, in collaboration with Illycaffè, conducted a comprehensive study on the behavior of free radicals and antioxidants during coffee brewing. They discovered that under certain conditions, coffee can act as an antioxidant, providing a deeper understanding of its potential health benefits.
A study published in the Journal of Leukocyte Biology suggests that pre-existing inflammation can promote the spread of cancer by raising levels of chitinase-3-like-1, a known biomarker of cancer. This increase in CHI3L1 leads to faster cancer growth and increased metastasis.
Researchers discovered that controlling the innate immune system's reaction to tissue-engineered vascular grafts can reduce abnormal narrowing and increase graft performance. The study sets the stage for developing safe and effective vascular grafts for congenital heart disease treatment.
Researchers developed an optical sectioning–3D reconstruction method using compound fluorescence light microscopes to image plant cells without damaging them. This approach allows for bulk processing of samples, clear imaging months after collection, and higher resolution than SEM.
Researchers from UCSB have successfully measured the frequency of radiation emitted by a single electron for the first time. The team used a tabletop instrument to detect emissions from an individual, orbiting electron and witnessed over 100,000 single electrons.
Researchers at The Hormel Institute discovered that aspirin may exert its chemopreventive effects against colorectal cancer by normalizing epidermal growth factor receptor (EGFR) expression in gastrointestinal precancerous lesions. This finding suggests EGFR as a novel target for preventing colorectal cancer.
A new study led by UMass Amherst epidemiologist Katherine Reeves is assessing the relationship between phthalate exposure and breast cancer risk. The three-year study will analyze urine samples from 500 women with invasive breast cancer and 1,000 healthy controls to measure levels of 11 phthalate metabolites.
A new study found that adding two minutes of walking each hour can help offset the health risks associated with prolonged sitting. The research suggests that even light activities like casual walking or gardening can provide significant health benefits and potentially increase life expectancy.
A large Norwegian health study of over 10,400 adults found that people with insomnia have increased pain sensitivity. The effect was strongest in those with both insomnia and chronic pain, highlighting the need for treatments targeting both conditions.
Researchers have developed a new chemogenetic technique that enables them to switch specific behaviors in mice on and off, demonstrating the control of brain circuits over behavior. This tool, KORD, has the potential to treat diseases such as schizophrenia, depression, and epilepsy by modulating neurons.
A new tool developed by Baylor College of Medicine researchers shows a strong association between worm index and human development index, indicating neglected tropical diseases should be considered in international development goals. The study found that higher worm indices are linked to lower human development indices.
A team of researchers has identified the first fossil specimens of a major group of killifishes that is widely distributed in freshwater habitats today. The fossils, which date back to 6 million years ago, provide new insights into the evolution of bony fishes and the diversification of species.
A recent study by Kristin Morell and colleagues reveals the Himalayan Front's central seismic gap is overdue for a major earthquake. The researchers used geomorphic and erosion rate data to define the active detachment fault likely to host a large earthquake, pinpointing a distinctive physiographic transition in Uttarakhand, India.
Researchers develop a mathematical platform to compute optimal diagnostic-guided vs. pro-active treatment strategies, showing that pro-active strategies may be worthwhile in resource-constrained settings. The study challenges current treatment paradigms and provides a framework for future research.
New research from USC Marshall School of Business shows that consumers who trade in their used cars pay an average of $990 more than those without a trade-in. Dealers infer a higher willingness to pay and charge higher prices based on the characteristics of the trade-in vehicle.
Tropical Cyclone Quang strengthened during the early morning hours of April 30, developing an eye and triggering warnings. The storm's sustained surface winds reached speeds of 67 mph, with strongest winds in the southern quadrant.
The study, which followed four individuals for a year after they were treated with embryonic stem cell-derived retinal pigment epithelial cells, observed no serious side effects related to the therapy. The researchers reported positive results in visual acuity improvements among patients.
The U.S. Northeast Passive Acoustic Sensing Network (NEPAN) uses buoys and autonomous underwater vehicles to record and archive sounds from marine mammals and fish in the western North Atlantic. The data will inform NOAA Fisheries stock assessment reports, permit consultations, and specific management actions.
A new study by Université Laval researchers found that noroviruses responsible for 50% of global gastroenteritis cases can spread through the air up to several meters from an infected person. The discovery suggests that existing measures in hospitals may be insufficient to contain these infections.
Researchers have developed a new method for studying protein motion by freezing and then slowly 'waking' them up with increasing temperature. This approach, using variable-temperature solid-state NMR, reveals a hierarchical sequence of protein motions, allowing scientists to study individual motions and their interactions.
The BMJ urges the next Health Secretary to prioritize sustainable funding, collaboration, and transparent governance to secure the NHS's future. The service is stretched close to breaking point due to flat-line funding, aging population demands, and social care cuts.
Researchers have solved the mystery of how bombardier beetles produce their explosive defense mechanism, revealing a complex process controlled by a flexible membrane and valve. The beetle's ability to superheat and expel the liquid creates a powerful spray that is highly effective against predators.
Researchers at UC San Diego found that pancreatic cancer rates are highest in countries with the least amount of sunlight, due to low vitamin D levels. Limited foods naturally contain vitamin D, and experts suggest that a deficiency may contribute to an increased risk of pancreatic cancer.
Researchers found a decline in cross-party voting and an increase in party-line voting among Congressional representatives over the past 60 years. The study used network modeling to identify patterns at the individual level, revealing that geography had little influence on voting behavior.
Researchers developed a compact synchrotron source that measures X-ray absorption, phase shifts, and scattering, allowing for the differentiation of healthy tissue from tumors. The new technology has improved soft tissue contrast, enabling quicker diagnoses in medical emergencies.
Researchers at Helmholtz Munich have developed a new method to validate drug targets for chronic obstructive pulmonary disease (COPD) treatment. The technique enables the study of lung tissue repair mechanisms in patient-derived tissues, providing valuable insights into COPD pathologies and potential therapeutic avenues.
Researchers at the University of Liverpool found that eating a wide range of different brands and types of pepperoni pizza led to increased calorie intake. The study suggests that this high variability in food options can make it difficult for people to manage their consumption, potentially exposing new public health implications.
A study of 855 Gothenburg men born in 1913 found that factors such as not smoking, maintaining healthy cholesterol levels, and a strong socio-economic standard contributed to their longevity. Additionally, correlations with maternal longevity and robust working capacity were also identified.
The USGS study found that rivers quickly erode sediment accumulated in former reservoirs and redistribute it downstream, returning the river to conditions similar to those prior to impoundment. In many cases, fish and other biological aspects of river ecosystems also respond quickly to dam removal.
A new University of Alberta study reveals that older workers (65+ years old) are more susceptible to severe injuries but less likely to receive modified work duties or rehabilitation. Researchers call for a revised approach to assess and treat injured workers, prioritizing their return to work.
Researchers at Mayo Clinic analyzed data from over 20,000 patients and found that toxic levels are rare among those taking supplements. High levels above 50 ng/mL were associated with increased risk of kidney stones and other complications in women over age 65.
A highly efficient CRISPR/Cas system has been developed for targeted long cassette insertion into the mouse genome, achieving efficiency of up to 50%. This breakthrough technology enables the creation of humanized mice for modeling genetic diseases and improving gene therapy safety.
A new technique combining liposuction and fat grafting has been shown to produce excellent results in buttock augmentation. In a study of 106 women, the procedure resulted in high satisfaction rates with minimal morbidity and no major complications.
A recent multinational study assesses the impact of Arctic sea ice decline on 11 marine mammal species, including seals, walruses, and polar bears. The research highlights the critical role of sea ice in their habitats, revealing changes in population trends, feeding patterns, and behavior.
Research suggests that children displaying increasing levels of inattention at age 7 are at risk of worse academic outcomes in their GCSE examinations. The study found a linear relationship between inattention symptoms and reduced GCSE scores, with every one-point increase in symptoms leading to a two-to-three point decrease in scores.
Researchers at Johns Hopkins University and Columbia University discovered that bat wings have highly sensitive touch sensors that respond to airflow changes, allowing for precise flight control. This finding can inform the development of more agile air vehicles.
A new open-source software program named MarkerMiner facilitates identification of genes for elucidating evolutionary relationships between flowering plants. The software helps researchers discover genes useful for inferring evolutionary patterns by comparing genes across superficially similar plants.
A study analyzing classical music networks reveals the evolution of cultural styles and predictions for the recording market. The research, published in EPJ Data Science, uses modern data techniques to understand how composers collaborate and influence each other.