Climate change, pollution, and invasive species are driving mortality in amphibians due to infectious disease, leading to extinctions rates 200 times higher than background extinction rates. Understanding these complex forces is crucial for addressing amphibian declines and emerging infections in humans.
Researchers propose a new explanation for Milgram's findings, suggesting that participants' behavior is driven by their patterns of social identification. Conditions that encouraged identification with the experimenter led to increased obedience, while conditions that encouraged identification with the learner led to decreased obedience.
Researchers discovered molecular evidence of medicinal plant use by Neanderthals at El Sidrón, suggesting a sophisticated knowledge of natural surroundings. The study found evidence of cooked carbohydrates and varied plant consumption, challenging previous assumptions about Neanderthal diet.
Researchers found that southern dumpling squid's prolonged mating rituals result in temporary muscle fatigue, affecting their swimming ability for up to 30 minutes. This discovery provides new insight into the evolution of reproductive strategies and behaviours.
Scientists from the Max Planck Institute identified four different types of dopamine-releasing nerve cells involved in forming positive and negative memories in fruit flies. These nerve cells use dopamine to communicate with other neurons, and their activation can signal aversive or rewarding stimuli.
New analysis suggests that lab mice and rats' round-the-clock access to food may lead to abnormally high blood fat levels, high cholesterol, nerve damage, cancer, and other disorders. This could affect the outcome of experiments testing toxicity and cancer-causing effects of new drugs and substances.
Two species of single-cell parasites have acquired new genes that work together to make an essential nutrient, allowing them to exploit their hosts more efficiently. This discovery highlights the importance of horizontal gene transfer in the rapid evolution of these tiny organisms.
Researchers have developed a system that mimics dolphins' nonlinear sonar processing to distinguish targets from clutter in bubbly water. This technology has potential applications for detecting sea mines and other underwater targets.
A special issue of Cell Transplantation features studies on clinical translational medicine for successful neurorestoration in human patients with various neurological conditions. The field of neurorestoratology aims to optimize regimes and develop treatment guidelines through the integration of current methods.
Researchers created a model by transplanting human immune elements into an immunodeficient mouse, allowing it to mount human-like immune responses against HIV. The study successfully replicates critical host-pathogen interactions and provides a promising tool for accelerating HIV vaccine development.
Geologist Dr Scott Bryan's research found plants and tiny animals including corals latched onto pumice as it traveled over 5000km from Tonga to north-eastern Australia. This journey provided concrete proof that pumice rafting is a significant factor in dispersing marine life.
Researchers found that caregivers who believe people with Alzheimer's disease are at risk for injury and accept help more likely rely on dependency support rather than promoting independence. Caregivers can learn to gauge individual abilities through observation, breaking down tasks into manageable activities.
A study by Ben-Gurion University researchers found that sleep deprivation immediately after exposure to trauma reduces the development of post-traumatic behavioral responses. This suggests that sleep deprivation in the first hours after stress exposure might represent an effective intervention for PTSD.
Researchers at the University of Iowa found that police officers working evening or night shifts were more likely to get less restful sleep, leading to chronic fatigue and health issues. The study recommends practices to ensure proper sleep, such as adjusting court appearances and partnering with nurses.
A Cornell study finds that prompting children to make healthy choices, like Batman, can lead to a significant reduction in calorie consumption. Children who chose apple fries consumed 34 calories, compared to 227 for French fries.
Scientists use thermal imaging to analyze brown fat reserves, which produce heat and aid in burning calories. The technique may help predict food labels' thermogenic index, aiding the fight against obesity.
Researchers discover high genetic diversity in lichens growing on trees in Norway's boreal rainforests, challenging assumptions about species' ability to spread and survive. The findings suggest that even in small fragments of habitat, genetic material can be exchanged between neighboring populations.
Researchers at Virginia Tech have discovered that abscisic acid has anti-inflammatory effects in both the lungs and gut, which could lead to a novel way to combat inflammatory disease. This compound may offer a safer alternative to existing treatments for influenza by targeting the immune response rather than the virus itself.
Manufacturers are turning to biotechnology companies using genetically engineered microbes to produce natural flavor and fragrance ingredients. These microbes can produce vanillin and picrocrocin at lower costs than traditional methods.
Women experiencing high job strain are more than twice as likely to have a heart attack compared to those with low-strain jobs. A 10-year study found that elevated job strain has long-term cardiovascular health effects in women.
A new PSU study found elevated levels of caffeine in Oregon coastal waters, contradicting initial expectations. The research indicates that wastewater treatment plants are effective in removing caffeine, but severe weather events can flush contaminants out to sea.
A Baylor University study suggests that providing restitution can facilitate forgiveness, but pairing it with an apology is crucial. The research found that participants were more likely to show forgiving behavior if they received restitution, whereas self-reported apologies led to a higher rate of reported forgiveness.
A recent study conducted at the University of Granada found that both men and women experience intimate and romantic sexual fantasies involving their partner or loved one. Men tend to fantasize more frequently about exploratory activities, while women often imagine scenarios of being forced to have sex. The study suggests that having s...
Researchers at Brown University have discovered a pyramid in El Zotz, Guatemala, that provides new information about the Maya civilization. The temple features ornate masks depicting different phases of the sun and stucco carvings revealing how the Maya conceived of the heavens.
A new targeting technology has been found to improve outcomes for patients with atrial fibrillation, with an 86% success rate after a single procedure. The technology, known as focal impulse and rotor modulation (FIRM), allows doctors to detect and shut down the electrical sources of the arrhythmia in minutes.
Researchers found that acorns inside leaf litter or soil are protected from fire, while those on top of the litter are vulnerable to low-intensity surface fires. The study suggests optimal timing and conditions for prescribed burning to promote oak regeneration without harming acorns.
The trial found large reductions in blood pressure and LDL cholesterol, with estimated benefits of avoiding or delaying a heart attack or stroke by 28% among participants. The Polypill is a four-component tablet that contains three blood pressure-lowering medicines and a statin for lowering cholesterol.
Relocating threatened species to save them from extinction is a complex issue due to unforeseen environmental consequences and potential disruptions to ecosystems. Developing effective guidelines and protocols for managed relocation is crucial to minimize social conflict and ensure responsible conservation practices.
A multi-center study of 55 children found that oral immunotherapy reduced allergic reactions, allowing most to consume eggs without symptoms. The therapy showed promise in desensitizing children to egg allergies, representing a promising therapeutic intervention.
A five-year study aims to understand why some urban schools excel in science education, considering the entire educational environment and stakeholder interactions. The project will provide recommendations for school leadership and organization practices to inform educators around the country.
Researchers have found that alpha-synuclein protein build-up inside neurons leads to misfiring due to calcium fluxes, a new insight into Parkinson's disease and other neurodegenerative disorders.
A University of Michigan study reveals that spouses of severe sepsis patients are nearly four times more likely to experience substantial depressive symptoms. Greater mental health screenings may be necessary for these individuals to support their loved ones' rehabilitation and decision-making.
Researchers at OHSU School of Dentistry discovered that TDP-43, linked to ALS and other neurodegenerative diseases, activates multiple molecular pathways when genetically manipulated. The study found that the loss of TDP-43 results in widespread gene activation and altered splicing, which can be reversed by restoring TDP-43 expression.
A new program at the University of Chicago Medical Center will test a comprehensive care physician model to reduce spending and improve care for frequently hospitalized patients. The model aims to strengthen the bond between doctors and patients, improving continuity of care after hospital stays.
NASA's Aqua satellite data shows Fabio with very little strong convection and heavy rainfall, moving north of its center. Sea surface temperatures are too cold to support a tropical cyclone, and the storm is expected to dissipate in a couple of days.
A new study reveals that judicious placement of greenery in urban canyons can significantly improve air quality. Green plants reduce concentrations of nitrogen dioxide (NO2) and microscopic particulate matter (PM) by up to 40% and 60%, respectively.
A new study by the Commonwealth Fund found that elderly Medicare beneficiaries have better access to care and financial protection than adults with private coverage. Only 8% of Medicare beneficiaries rated their insurance as fair or poor, compared to 20% of those with employer insurance and 33% who purchased insurance on their own.
Researchers have identified a new function for APJ protein in sensing mechanical changes that can lead to heart failure. Without this protein, the heart is less likely to sense danger and undergo hypertrophic pathways leading to heart failure.
The EIFEX experiment showed that a substantial proportion of carbon from the induced algal bloom sank to the deep sea floor. This is remarkable because the bloom developed in a 100-meter deep mixed layer, much deeper than previously believed.
Researchers at Shoklo Malaria Research Unit found a six-fold decline in maternal mortality from 499 to 79 amongst refugees between 1986 and 2010. Frequent antenatal screening significantly reduced malaria-related deaths, with the number falling from an estimated 1,000 deaths per 100,000 pregnant women before screening to zero in 2005.
Researchers at UNC School of Medicine found that eating small amounts of egg every day for months lowered the threshold for allergic reactions in 75% of children with egg allergies. After two years on treatment, 28% were able to incorporate egg into their regular diets.
A new study finds that adhering to the current ozone standard of 75ppb would avoid 1,410-2,480 premature deaths. Lower standards could save even more lives and alleviate acute respiratory symptoms.
A study found that people with metabolic syndrome, a combination of heart disease and type 2 diabetes risk factors, have 15% less blood flow to the brain than those without the condition. This could lead to reduced memory skills, but it is unclear if it will increase the risk of Alzheimer's disease.
A new video article demonstrates a standardized procedure for harvesting and processing synthetic spider silk from bacteria, improving fiber strength and scalability. The technique has potential industrial applications in industries where spider silk's properties are valuable.
A federally funded study found that oral immunotherapy can retrain the immune system to tolerate eggs in children with egg allergies. In a 10-month study, 35 of 40 children treated with escalating doses of egg powder experienced improvement, with 11 achieving complete long-term elimination of egg-related allergic reactions.
Royal jelly's composition can be modified to change the body size of queen bees during development, with a potential impact on human health. The study uses histone deacetylase inhibitors to create super RJ, leading to increased larva growth and potential health benefits.
Researchers have discovered a type of plasma wave moving faster than expected, suggesting electrical instabilities may be driving the waves. This finding could lead to a better understanding of how heat and energy are transferred through plasma.
The study found that colon and rectal cancers have nearly indistinguishable genomic alterations, leading researchers to group them as one type of cancer. Several recurrent genetic errors contribute to colorectal cancer, with potential targets for treatment identified including genes ERBB2 and IGF2.
A study by The Miriam Hospital's Center for Behavioral and Preventive Medicine found that nearly a quarter of first-year college women try hookah smoking for the first time during their freshman year. Alcohol consumption is linked to an increased likelihood of hookah initiation, while marijuana use predicts frequency of use.
UTMB professor Volker Neugebauer is conducting a four-year, $1.36 million study on the relationship between pain and brain functions, particularly the amygdala and medial prefrontal cortex. The investigation aims to understand how abnormal pain input affects the brain's emotional response and decision-making processes.
Researchers at Moffitt Cancer Center found that inhibiting signal transducer and activator of transcription 3 (STAT3) can harness the immune system to eradicate residual malignant cells in drug-resistant mantle cell lymphoma. This strategy could provide a new approach for patients with therapy-resistant MCL.
A new study published in the Journal of the Academy of Nutrition and Dietetics suggests that sugar-sweetened beverages are not replacing milk in children's diets. Instead, changes in milk consumption were found to be related to changes in fruit juice intake.
Tropical Storm Khanun is weakening as it approaches a landfall in western South Korea, bringing heavy rainfall and high seas. The storm is expected to make landfall just south of the North Korean border and then rapidly weaken.
Researchers at Ohio State University found that mechanical pressures from hospital ventilators stimulate an innate immune response in lung cells, leading to excessive inflammation. The study identified potential drug targets, including a microRNA and two proteins, that could reduce inflammation.
Researchers found that mesenchymal stem cell transplantation in animal models of amyotrophic lateral sclerosis (ALS) and spinal cord injury promotes functional recovery. Bone marrow cell transplantation coupled with granulocyte colony-stimulating factor also shows neuroprotective and angiogenic effects in ALS animal models.
The NIH is launching a clinical trial to test the safety and tolerability of maraviroc-based pre-exposure prophylaxis (PrEP) regimens for HIV prevention. The study aims to reduce the risk of infection by enrolling 400 HIV-uninfected men who have sex with men in 12 cities across the US and Puerto Rico.
Researchers used high-power X-ray imaging to study a working lithium-sulfur battery, finding that sulfur particles largely remained intact during discharge. This challenges previous experiments that found sulfur was chemically transformed into Li2S-polysulfide sheets, which prevented the battery from operating.
Amanita mushroom evolution shifts from decomposing to symbiotic tree relationships, resulting in lost genetic capacity, according to Harvard researchers. The study reveals the transition came at a steep price, with genes associated with breaking down cellulose being sacrificed.
Astronomers detected a rotating spiral galaxy in the early universe, over 3 billion years after the Big Bang, using the Hubble Space Telescope. The galaxy, named BX442, is unlike other ancient galaxies with its grand design structure and massive size.
A MCG student has received a $5,000 research fellowship to investigate risk factors for bacteremia in dialysis patients. The study aims to identify potential associations with diabetes, dialysis catheter use, and other factors.