Researchers found that bumble bees create more efficient foraging routes when larger flowers are available, as they can quickly recognize and navigate to the next nearest flower. This study suggests that learning is a choice that foragers make based on the cost-benefit balance of learning, depending on circumstances.
A newly discovered ancient whale species offers insights into the evolution of filter feeding in whales. Researchers found that this transitional species used its large molars for filter feeding, suggesting a key step in the development of baleen.
A recent study published in Frontiers in Cellular and Infection Microbiology has made significant progress in developing a DNA vaccine against the dengue virus. Researchers have successfully induced persistent humoral and cellular immune responses in mice, providing efficient protection against lethal challenge from one of the four ser...
A study led by Lindsey Rich demonstrates that camera traps are an effective method for collecting data on species populations. The research found that prey availability can determine carnivore distributions, while human development and influence also impact population sizes.
Researchers developed an AI-based approach to extract lung nodules from chest CTs, improving diagnosis accuracy and reducing false positives. The method can be integrated into existing CADe systems and accommodate new data streams, potentially increasing the five-year survival rate for lung cancer patients.
The USDA is investing $7.6 million in research to help manage pests and beneficial species that affect agricultural crops. The funding will support projects that promote beneficial organisms associated with pests and better understand the fundamental mechanisms of interactions between plants, pests, or beneficial species.
Researchers at Arizona State University have developed a new approach to convert biomass into renewable biofuels and chemicals, using the trial-and-error power of evolution. By harnessing this power, they were able to coax bacteria to better ferment sugars derived from biomass, leading to a 50% increase in product yield.
Researchers at Hokkaido University discovered that non-autonomous viruses can infect the same plant and exchange DNA to help each other prosper. This 'commensal' partnership with another virus species is crucial in establishing life cycles, with exchanging noncoding regulatory sequences playing a key role.
The Penn researchers will study the role of microbiota and microenvironment in developing Barrett's esophagus and esophageal adenocarcinoma. Their goal is to advance knowledge of the disease and identify novel biomarkers and therapies.
Nicole F. Steinmetz receives two NIH grants to develop microscopic drug-delivery systems for triple negative breast cancer patients and patients at risk of serious blood clots. The funding will enable her team to explore mechanisms behind anti-tumor effects and develop dual-pronged therapeutic approaches.
A team from Cold Spring Harbor Laboratory has discovered small RNA fragments that protect the genome from retrotransposons during epigenetic reprogramming in preimplantation embryos. These fragments, consisting of 18 and 22 nucleotides, are perfect complements of sequences within retrotransposons.
Researchers discovered that hydrogen peroxide plays a crucial role in plant adaptation to sunlight. Plants use H2O2 to signal genes in their cell nuclei, allowing them to adjust and protect photosynthesis. This process ensures plants continue to thrive under varying light conditions.
Researchers developed a novel approach to synthesizing Janus particles with controllable topological and chemical anisotropy using emulsion interfacial polymerization. The method produced uniform Janus particles with amphiphilicity, expanding their utility in applications such as oil-water separation and biological detection.
New consensus recommendations suggest that isotretinoin treatment does not significantly increase the risk of abnormal scarring or delayed wound healing associated with skin procedures. The review article analyzed 32 relevant articles and concluded that manual dermabrasion and fully ablative laser procedures are not currently recommended.
A new study found that nearly three-quarters of women relied on a support network to discuss their treatment options and attend appointments. Larger support networks were associated with more deliberation about treatment, suggesting patients are thinking through pros and cons.
Researchers at TUM have created a new process to convert organic waste into fuel, utilizing zeolite catalysts that reduce temperatures and energy requirements. The process takes place in confined spaces inside zeolite crystals, increasing reaction rates by up to 100 times.
A new study by FSU researcher Matthew Pietryka found that people more closely connected to electoral candidates in their social network vote at higher rates. The study also found that greater connection to a particular party increases the likelihood of supporting that party and opposing others.
Researchers at INRS have created a breakthrough photonic system that takes advantage of the frequency domain properties of photons. The system uses on-chip devices and off-the-shelf telecommunications components to generate color-entangled quDits, which can be used for high-dimensional quantum manipulation and transmission.
Exosomes, nanoscale sacs containing biomarkers, can capture changes in enzyme expression due to smoking, disease status, and environmental exposure. Researchers aim to use this non-invasive method to achieve personalized medicine for children and teens with varying levels of individual variability.
A team of scientists has documented early, permanent human settlement in the Andes dating back to around 8,000 years ago. The findings suggest that hunter-gatherers adapted to high-elevation life and survived year-round despite harsh conditions.
Researchers are developing a method to forecast volcanic eruptions by analyzing satellite measurements and ground deformation data. By applying data assimilation techniques, they aim to improve predictions of magma movement and pressure buildup beneath volcanoes.
Researchers developed a new technique combining seismic noise interferometry with geophysical measurements to predict volcanic eruptions. By analyzing the speed of energy traveling through a volcano and correlating it with rock deformation, they found a strong correlation between bulging, shrinking, and impending eruptions.
A new CT Perfusion technology has been developed to measure blood flow and predict how well ovarian cancer patients will respond to treatment. The study found that a decrease in blood flow is associated with longer survival times, while an increase is linked to shorter survival times.
Adolescent weight gain has been linked to a long-term increased risk of stroke in adulthood, according to new research. Children who returned to a normal BMI by age 20 had no such increased risk.
Researchers found that distinct variations in protein expression levels, rather than genetic alterations, are linked to response or resistance to immunotherapy drugs. The study identified specific genes and proteins associated with tumor growth and immune evasion, paving the way for new therapeutic targets.
A study of US pathologists reveals that melanoma diagnoses can be inaccurate and non-reproducible, particularly in the middle of the disease spectrum. The results suggest that only cases at the polar ends of the spectrum are accurately diagnosed.
A new Harvard T.H. Chan School of Public Health study found that long-term exposure to certain air pollutants increases the risk of premature death among US seniors. The research suggests lowering levels of airborne fine particulate matter (PM2.5) and ozone could save up to 12,000 lives annually.
Heavy rain showers were observed in southwestern Mexico as Tropical Storm Dora passed along the coast. The Global Precipitation Measurement mission analyzed rainfall rates, finding intense storms with cloud tops reaching altitudes higher than 9.9 miles.
A study of post-surgical patients found that those who received psychological support showed significant reductions in opioid use, depression, and daily disruptions due to pain. Patients learned coping skills grounded in Acceptance and Commitment Therapy, promoting mindfulness and acceptance of difficult experiences.
A recent study published in the Journal of the American Heart Association found that health insurance expansion through the Affordable Care Act significantly reduced the incidence of sudden cardiac arrest among middle-aged adults who were previously uninsured. The study analyzed emergency medical services data from an urban Oregon coun...
Researchers from Stanford University and NASA's JPL have designed a robotic gripper to grab and dispose of space debris, featuring gecko-inspired adhesives. The gripper can stick to flat objects and curved surfaces, and switch between relaxed and rigid states for precise manipulation.
A large study found that higher childhood intelligence is associated with a lower lifetime risk of death from various causes, including respiratory disease, coronary heart disease, and stroke. The study of over 65,000 individuals suggests that lifestyle factors like tobacco smoking play a significant role in this relationship.
A Stanford study found that sleep disturbances in young adults can warn of worsening suicidal thoughts, even when controlling for depression severity. Participants with varying sleep patterns reported more insomnia and nightmares, which independently predicted increased suicidal behaviors.
Researchers have captured footage of palm cockatoos playing the drums with almost perfect spacing between taps, mimicking human drummers. The bird's individual styles were distinct and may allow others to recognize their drumming signatures.
A study published in JAMA Surgery found that fat grafting may improve breast satisfaction, psychosocial well-being, and sexual well-being in patients after mastectomy. However, the procedure was associated with lower satisfaction rates one year post-op, but similar outcomes two years later.
Scientists describe the first step of DNA packing in a cell, revealing how protein H1 helps compact and shield DNA. The discovery sheds light on genetic processes critical to understanding diseases like cancer and muscular dystrophy.
The EASL Editorial raises concerns about the Cochrane Review's conclusions on Direct Acting Antivirals (DAAs) for Chronic Hepatitis C (HCV), citing a lack of understanding of the disease and its long natural history. Recent studies have shown improvement in quality of life with DAA therapy, highlighting the need for more comprehensive ...
A new study by Michigan Medicine finds that 60% of patients with acute conjunctivitis are prescribed antibiotic eye drops despite antibiotics rarely being necessary. The study also highlights the socioeconomic factors driving this trend and the potential negative consequences of overprescription.
A new study found that people carrying certain genetic alterations associated with neurodevelopmental disorders may experience impaired cognition, despite not developing a disorder. The research provides valuable insights into the effects of these genetic abnormalities on cognition in adults from the general population.
Stem-cell researchers have identified two distinct populations of leukemia stem cells that can lead to relapse in AML. The study, published in Nature, provides new insights into the cell types fated to relapse and may help accelerate the development of targeted therapies.
Researchers have developed a new technique to image the inner structure of organs and tumors, revealing the extracellular matrix in unprecedented detail. This breakthrough has significant implications for cancer research, organ regeneration, and tissue engineering.
New research by Michigan State University scholar Ning Hsieh finds that religious participation is related to higher suicide rates in Southern Europe, Western Europe, and East Asia. In contrast, countries in the English-speaking region, Latin America, Eastern Europe, and Northern Europe have seen protective effects of religious partici...
Researchers have identified a key reason why super hydrophobic surfaces are unreliable: tiny trace amounts of surfactants can cause an imbalance in water flow, resulting in increased drag. The scientists propose changing the patterning of SHS to accumulate surfactant buildup farther down the interface, reducing drag.
A randomized study found that schools providing prevention education, insecticide-treated nets, and antimalarial treatment can dramatically cut malaria infection and reduce the risk of anemia among schoolchildren. The benefits lasted until the end of the school year.
Air quality in China is improving due to better monitoring and regulation, leading to increased demand for electric cars and pollution-fighting technologies. The government's efforts have made China a major market for these devices, with suppliers experiencing a boon as the country transitions to cleaner energy sources.
A new study by University of Montana scientists found that slow-growing ponderosa pines have a greater chance of survival during mountain pine beetle outbreaks, contradicting previous findings. The research suggests that fast growth may be costly and is often detrimental to tree survival in such scenarios.
Researchers at the University of Iowa found that mildly stressing muscle metabolism boosts levels of fibroblast growth factor-21 (FGF21), a beneficial hormone that prevents obesity and diabetes in mice. FGF21 production reversed conditions and returned mice to normal weight and blood sugar levels.
A new study by UCL and Bangor University researchers found that artists and architects think differently compared to other people and even among themselves. The study used Cognitive Discourse Analysis to categorize responses from participants describing spaces in different ways, revealing patterns related to their profession.
Researchers at Duke University Medical Center have discovered a new antibody that can restore the effectiveness of chemotherapy rituximab in leukemia patients with natural resistance. The study found that adding the antibody to rituximab increased cancer cell death by 45% in five out of 11 patients.
A new approach to training explosive-detecting dogs uses real-time vapor analysis to accurately measure the vapor plumes from explosives that trigger a canine response. This method helps differentiate between correct and incorrect identifications, reducing cross-contamination errors.
A new trial by University of Exeter researchers found that taking low-dose aspirin before bed can reduce the risk of pre-eclampsia, a condition causing premature birth and maternal and foetal death. The study showed a 62% reduction in pre-term preeclampsia rates.
A Swedish study found that biological treatments for psoriasis have a long-lasting positive impact on skin clearance and quality of life, even after switching between different medications. The study followed 583 individuals for up to 10 years and analyzed the effectiveness of treatments using three different measurements.
A new Israeli study found that higher BMI and even normal-weight adolescents are at increased risk of death from non-coronary cardiovascular diseases. Researchers analyzed data from over 2 million adolescents, showing a significant association between adolescent obesity and mid-life cardiovascular mortality.
A new technology called Ambient Activity aims to treat the cause of dementia behaviors rather than just symptoms. The device uses personalized content such as photos, games, music, and more to engage patients and promote meaningful physical, mental, and social engagement.
A team of researchers led by Cody Ross measured water flow in the vadose zone, a critical region under the soil surface. They found that in the southeastern Canadian Prairies, old water accounted for a significant portion of streams, contradicting previous research.
Katie Lewis, PhD, has been awarded the prestigious Robert S. Wallerstein Fellowship to investigate how daily interpersonal interactions influence suicidal thoughts and urges. Her research aims to identify pathways leading to heightened risk for suicide through analysis of personal historical details and daily interactions.
Fertilizing crops with iron and zinc micronutrients can increase their levels in flour, according to a new study. The process of milling grains also boosts the availability of these nutrients in bread.
Scientists have discovered a cheap and efficient way to produce olefins, the chemical feedstock for many products, using a titanium-based catalyst. The reaction can be performed at low temperature and has the potential to reduce greenhouse gas emissions and costs associated with traditional fossil fuel-based methods.
Researchers found higher concentrations of airborne PCBs inside schools than outside, posing a concern for cumulative exposure. Inhaling these compounds could lead to higher levels of intake through diet, with combined sources being a cause for worry.
A new therapy developed through stem cell technology has shown promise in treating chronic asthma by reducing inflammation and reversing airway remodeling. The study, led by Monash University scientists, found that induced pluripotent stem cells could effectively treat fibrosis and lung dysfunction associated with asthma.