A team of researchers has developed micro-actuators that use internal changes as a trigger for signal-based movement, paving the way for new applications in soft robotics, microscale sensing, and bioengineering. The devices, powered by chemical reactions, can be programmed to perform different modes of mechanical work.
A study found that plant-based protein shakes made from potato and rice proteins can effectively manage appetite and blood glucose levels, making them suitable for individuals with diabetes or obesity. The research showed that these plant-based shakes may be a sustainable alternative to milk-based whey protein shakes.
The team successfully synthesized Christmas-tree-shaped palladium nanostructures that enhance catalytic activity for AA electro-oxidation. Multiple sharp edges observed in the nanostructures improve electrocatalytic performance.
A recent study found that mothers with psychiatric disorders had a higher risk of autism spectrum disorder (ASD) and developmental delay in their children. In contrast, antidepressant use was not associated with an increased risk of ASD. The research provides reassurance for pregnant women taking SSRIs.
Researchers found that male mosquitoes' ability to harmonically converge affects their offspring's immune response, with males investing more energy in mating effort than immunity. Female mosquitoes are better able to resist parasites and pathogens, but may lose immunity as they age.
New research suggests that treating cancer patients with anti-CTLA4 therapies before anti-PD1 treatment can improve overall survival. High numbers of T follicular regulatory (Tfr) cells in tumors may be to blame for the lack of response to anti-PD1 therapies.
A new study by Norwegian University of Science and Technology researchers found that dopamine levels are linked to passion and goal achievement in men, which may explain the higher prevalence of autism diagnoses in males. The study also found no significant gender difference in passion or grit among women.
Researchers analyzed 7,548 SARS-CoV-2 genomes to find associations between genomic variants and patient deaths. They identified a key mutation linked to changes in the viral spike protein, which plays a crucial role in viral entry.
A theoretical physicist has proved a decades-old claim that Quantum Chromo Dynamics (QCD) leads to light-weight pions, resolving the mystery of confinement. By using supersymmetry and anomaly mediation, Principal Investigator Hitoshi Murayama showed QCD indeed creates pions with extremely small mass.
Researchers at Memorial Sloan Kettering Cancer Center developed a machine-learning approach that accurately predicts how human breast cancer tumors will evolve. By analyzing genetic makeup of thousands of individual cells, the team created a model that can predict tumor behavior and identify potential relapse sites.
The study revealed that natural melatonin is linked to a pre-hibernation state that allows mice to slow down their metabolism and survive when food is scarce. Melatonin-producing female mice also enter a state called daily torpor, a low-power mode similar to hibernation that conserves energy.
Researchers found that Asian elephants produce high-pitched squeaks through lip vibration, contradicting previous assumptions that the sound comes from the trunk. The technique is unique in the animal kingdom and may be learned, suggesting flexibility in sound production.
Researchers have identified a new potential treatment for IBS pain, derived from tarantula venom. In mice experiments, the molecule Tsp1a significantly reduced symptoms associated with chronic IBS pain, without interfering with other body functions.
The study found that Denisovans produced the oldest stone tools at the site between 250,000 and 170,000 years ago, while Neandertals arrived later. The researchers also detected modern human mitochondrial DNA for the first time, suggesting they brought new technology to the region.
Researchers developed a blood test that analyzes circulating tumor DNA to predict treatment response in metastatic HPV-positive throat cancer. The test showed promise in identifying non-responding patients months earlier than standard imaging scans.
Research suggests that smoother silicone breast implants produce less inflammation and fibrous tissue, reducing the need for replacement. Studies using mice, rabbits, and human breast tissue show a significant reduction in immune responses with surface designs featuring a roughness of approximately 4 microns.
A novel energy storage solution featuring pipes and anchors could store intermittent renewable energy from offshore wind power plants. The technology offers a promising alternative to conventional battery systems with lower costs per megawatt hour.
Women using hormonal contraceptives face a 2-fold higher risk of developing glaucoma compared to non-users. Women with more than four prescriptions for hormonal contraceptives in the past two years had an even higher risk.
Researchers developed a lab-based technique to observe lithium ions moving in real-time as batteries charge and discharge. This allows them to identify speed-limiting processes that could enable faster charging, with potential applications in electric cars and grid-scale storage.
A year-long Australian population study found full-time workers in poorly managed organisations have a threefold increased risk of being diagnosed with depression. Poor workplace mental health can be traced back to poor management practices and low resources.
During COVID-19 lockdowns, high-energy density foods like sweets and salty treats saw increased intake among some adults, with a heightened risk of weight gain. Researchers warn that those struggling to control food cravings are most at risk, highlighting the need for strategies to manage snacking.
A new analysis of exoplanets reveals that Earth-like conditions for oxygen-based photosynthesis are much rarer than thought. Only a handful of potentially habitable planets have the necessary energy for complex biospheres to develop, with Kepler-442b being one exception.
Researchers used high-speed videos of a person sneezing to identify optimal cloth mask designs. Masks with hydrophilic inner layers, absorbent middle layers and hydrophobic outer layers were found to be most effective.
Researchers are exploring the mechanisms of CASK loss-of-function mutation associated epileptic encephalopathy. A new mouse model suggests that deleting the CASK gene impairs mitochondrial function and energy supply to the brain, potentially causing seizures.
Patients enrolled in the US military's universal health care system experienced improved colon cancer survival rates compared to those in the general population. The study found a 26% lower risk of death among Black patients, highlighting the positive impact of universal healthcare on racial disparities in cancer outcomes.
A low-calorie diet significantly alters the composition of the human gut microbiome, leading to changes in nutrient absorption and influencing weight control. The study found that specific bacteria, such as Clostridioides difficile, play a role in this process.
A new study from Washington University in St. Louis mapped PM2.5 levels across China, Europe, and North America using satellite data and computer modeling. The research found that most changes in air quality were driven by natural meteorological variability, not lockdowns.
Researchers at Gladstone Institutes have discovered a master switch for fibrosis in the heart, which they believe could be used to treat and prevent heart failure. The study suggests that blocking this gene, MEOX1, could prevent fibrosis in other organs as well.
Research led by University of Bristol scientists has shed light on the camel's kidneys, revealing a key role in helping it cope with dehydration and rapid rehydration stresses. The study suggests that cholesterol levels play a crucial role in water conservation, allowing camels to produce highly concentrated urine and minimize water loss.
Researchers at NYU Langone Health have developed an antibody therapy that rescues mice from a lethal muscle-weakening disease by targeting another protein in the same signaling pathway. The treatment reverses disease relapse in adult mice, offering new hope for humans with congenital myasthenia.
Researchers at UNC Lineberger Comprehensive Cancer Center have uncovered a new mechanism that activates specific genes, leading to cancer development. They found that a mutation in two unrelated genes can promote a process called liquid-liquid phase separation, which enables the formation of compartments with varying physical properties.
A study by Stanford University found that pediatric firearm injuries in the US result in a median cost of $12,984 per patient under 18 years old. The authors analyzed data from the national Healthcare Cost and Utilization Project Kids' Inpatient Database to identify factors contributing to variation in hospital costs.
Scientists successfully synthesized cyclo[9]pyrroles via oxidative coupling of terpyrrole, showing intense absorption at 1,740 nm. The molecular structure and electronic properties were analyzed using NMR and X-ray diffraction, providing insights into the optical and physical properties of porphyrinoids.
Researchers examined family voucher-based kidney donations and found that timely kidney transplants are possible through voucher redemption. The study aims to provide a new option for individuals waiting for a transplant, improving outcomes for those in need.
A meta-analysis of 22 studies found that consumers are willing to pay a premium price for ecolabeled coffee, with an average increase of $1.36 per pound. The study also revealed that Organic ecolabeling has the highest value, followed by Fairtrade and COOL.
Researchers found that Epstein-Barr virus reactivation may cause long COVID symptoms in approximately 30% of patients after recovery from initial COVID-19 infection. The study analyzed EBV antibody tests on recovered COVID-19 patients, indicating a significant difference between those with and without long COVID symptoms.
The number of NHS doctors taking early retirement has more than tripled over the past 13 years, with 1358 doctors quitting in 2020-21. The British Medical Association blames tax regulation changes and freezing of the lifetime allowance for pensions taxation, citing a potential mass exodus of highly experienced doctors.
Organic solar cells have achieved record-breaking power conversion efficiency of 18.4% using a new technology developed by Lithuanian chemists at Kaunas University of Technology. The invention has been commercialized globally and shows potential for various applications, including light-emitting diodes and organic transistors.
The study found that early Anglo-Saxons had a mix of local and continental ancestry, with the ratio changing over time due to varying immigration patterns. The results suggest that being Anglo-Saxon was tied to language and culture rather than genetics.
A recent study by University of Missouri researcher Jennifer Hulett found a link between forgiveness, congregational support, and reduced stress biomarkers in breast cancer survivors. The findings suggest that spiritual practices like prayer, meditation, and yoga may improve physical health outcomes among cancer survivors.
Berkeley Lab scientists have developed a new class of materials called DRX, which can replace cobalt and nickel in lithium-ion batteries. These cathode materials offer higher energy density and can be made with inexpensive and abundant metals like manganese and titanium.
Researchers at Cedars-Sinai are conducting a clinical trial to transplant neural progenitor cells into the brains of ALS patients to slow disease progression. The cells have been genetically reprogrammed to express GDNF, which may help keep motor neurons healthy and extend survival.
A new study by NYU Langone Health researchers discovered a molecular mechanism hijacked by SARS-CoV-2 that makes it vulnerable to drug candidates. The study showed that coronavirus reproduction requires chemical changes made by the human protein METTL3, which can be inhibited by the compound STM2457.
A survey of hospital employees found that mRNA COVID-19 vaccines often cause skin reactions like rashes and itching after injection. The study aimed to investigate the frequency and characteristics of such reactions in this population.
Researchers at Monell Chemical Senses Center found that certain food proteins like egg yolk can suppress the bitter taste and pungency of extra virgin olive oil. This discovery may encourage increased consumption of healthy olive oil for cooking and medicinal purposes.
Researchers are using satellite and ground-based tools to measure air quality, revealing significant differences in nitrogen dioxide levels between majority white and minority communities. This study aims to inform policymakers about the need to mitigate inequity in air pollution, which disproportionately affects communities of color.
A recent study found that patients with unilateral nerve injuries often experience sensory abnormalities on the opposite side of their body, regardless of whether they have pain or not. This phenomenon, known as contralateral sensory abnormalities, suggests a common underlying mechanism for both painful and painless neuropathies.
Citizens in Northern Europe were more likely to support governments with proactive and decisive approaches to addressing the pandemic. Proactive communications and assertive policies played a significant role in shaping public opinion during the COVID-19 crisis.
Researchers found that α-casein protein in milk increased anthocyanin and metabolite concentrations in rats by 1.5-10.1 times. The protein's amino acids interacted with and encapsulated anthocyanin molecules, improving stability and transport into the bloodstream.
Researchers found a link between abnormal cellular stress and Huntington's disease, identifying stress granules as a pathological feature. The study also uncovered extracellular vesicles that may alter other cells' behavior and impact granule accumulation.
The COVID-19 pandemic has led to the largest decrease in US life expectancy since World War II, with Black Americans experiencing a staggering 3.25-year decline. The data highlights significant disparities in health outcomes across racial groups and between the US and peer countries.
A study found that children exposed to higher levels of selenium and manganese during pregnancy had lower blood pressure in childhood. Manganese also protected against the hypertensive effect of cadmium, a toxic heavy metal.
Scientists will use six distant quasars to study galaxy evolution, supermassive black hole formation, and gas in the intergalactic medium. The team will examine the properties of these quasars and their host galaxies during the first stages of galaxy evolution.
A single dose of either the Pfizer or Astra Zeneca COVID-19 vaccine offers around 60% protection against infection from SARS-CoV-2 in residents of long-term care facilities aged 65 and over. Vaccination also reduces the risk of transmission and infectivity, with a protective effect evident from 4 weeks after vaccination.
A study published in Nature Communications found that the process removing old light sensors is disrupted in progressive blindness, leading to age-related macular degeneration. The researchers identified mTORC1 as a key component involved in photoreceptor recycling and suggest potential treatments using drugs against mTORC1.
A new study reveals that giant plumose anemones off the coast of Washington state consume a surprising variety of prey, including pale-legged field ants and occasional spiders. The research utilized DNA metabarcoding to analyze the gut contents of a dozen anemones, greatly expanding the known list of their diet.
Researchers developed a trimodal approach combining functional MRI, electroencephalography, and EROS to capture timing and location of brain responses with higher precision. The method provides a clearer picture of how different parts of the brain activate and communicate when an individual is distracted or engaged in a cognitive task.
Researchers identified an internal communication network in mammals that regulates tissue repair and inflammation. Endogenous retroviruses control this dialogue, affecting the host immune system and antimicrobial defenses.
Research shows that migratory birds disperse seeds to warmer latitudes, which can be counterproductive for plant adaptation to climate change. The study suggests that only a few species of migratory birds have the potential to help plants move to cooler latitudes and adapt to changing conditions.
A team of researchers developed a biomimetic mineralization of calcium carbonate using a multifunctional peptide template that can self-supply mineral sources. The study clarifies the formation mechanism of inorganic crystals and their control by organic templates, facilitating understanding of biomineralization.