A new study of eastern US deer numbers found that coyote predators did not significantly affect deer population sizes. Despite coyotes preying on vulnerable individuals, predation on healthy adults is uncommon and may not impact deer populations at large scales.
Researchers have pinpointed a single genetic alteration that confers resistance to pyrethroid insecticides in malaria-transmitting mosquitoes. The study provides a molecular diagnostic tool for detecting metabolic resistance and informs efforts to understand its spread across Africa.
Researchers at the University of Liverpool have found that chromatin changes quickly in response to low oxygen, preceding gene expression activation. This discovery sheds light on how cells respond to oxygen deprivation and may pave the way for novel therapeutic approaches.
A new study from Duke University found that patients shed more weight when doctors give specific instructions, such as tailored behavioral goals and educational material, compared to generic advice. Patients who received empathetic care also lost more weight on average.
A new breath test could diagnose gastrointestinal damage in children without invasive procedures, reducing trauma and costs associated with oesophageal testing. The trial uses a Dipeptidyl peptidase-4 (DPP4) enzyme found in the small intestine to measure gut health.
A new study reveals that the Atlantic Ocean's conveyor belt is slowing down, with some scientists fearing it could lead to dramatic temperature drops in Europe and exacerbate hurricanes. The research suggests that past changes in ocean circulation patterns may have preceded major climate shifts by several centuries.
A new study investigated the impact of high altitude exposure on short-term memory, identifying effects on spatial and verbal memory. The study found that high altitude exposure can lead to deficits in these aspects of cognition, affecting daily functioning.
Researchers design DNA molecules that can carry out reprogrammable computations, executing six-bit algorithms for simple tasks. The system demonstrates versatility and potential for teaching about molecular processes encoding information.
Research from Oregon State University suggests that climate change could lead to a 52% increase in tropical storm-related deaths, mainly affecting vulnerable populations in developing countries. The study's findings are based on analyzing mortality data and simulating the impact of climate change on storm frequency and severity.
Researchers suggest that combining glucocorticoids with antioxidants could further improve clinical treatment for premature babies while minimizing potential risks. The proposed therapy aims to overcome adverse effects associated with existing glucocorticoid treatment and accelerate lung maturation in infants.
Scientists at Berkeley Lab have discovered a new state of quantum matter exhibiting nearly ideal topological surface properties due to its chirality. The spiral-crystal topological chiral conductor shows exceptional electrical conductivity with minimal resistance.
A large-scale study by Sussex psychologists found a clear link between early adulthood depression and anxiety with decreased memory function in midlife. Accumulating symptoms over three decades predicted linear decline in memory function by age 50.
Researchers created a magnetic liquid metal that can move and stretch both horizontally and vertically without being fully immersed in liquid. The material exhibits high conductivity, low melting point, and deformability, making it suitable for use in soft robotics and flexible electronics.
Scientists have discovered a new mobile DNA element in the mosquito parasite Wolbachia, which may contribute to improved control strategies for mosquito-borne illnesses. The novel plasmid is widespread across natural Wolbachia populations and has potential implications for controlling disease transmission.
A team of scientists discovered a new Cretaceous fossil with an egg preserved inside its body, revealing unusual reproductive system abnormalities. The fossil, representing a new species Avimaia schweitzerae, shows an eggshell consisting of two layers instead of one, indicating the egg was retained too long inside the abdomen.
Research team discovers significant decline in butterfly species near intensively cultivated fields, with fewer than half the number of species found in nature preserves. The study emphasizes the urgent need for ecologically sustainable cultivation methods to mitigate this impact.
A North Carolina State University study found that US indoor climate preferences are most similar to those of west central Kenya and northeast Africa, with warm conditions and low humidity prevailing. The survey of 37 states showed that Americans aim for a climate closest to the outdoor conditions in these regions.
Researchers from UT Austin developed an LSTM-based language model that predicts brain activity with greater accuracy than ever before when listening to stories. The model incorporates context up to 20 words, improving predictions even with minimal context.
A new study attributes the link between earlier puberty and multiple sclerosis (MS) to body mass index (BMI), finding that increased BMI is also linked to a greater risk of MS. Researchers analyzed genetic data from over 329,000 women and found that people with an earlier age of puberty were more likely to develop MS.
A Lehigh University team led by Frank E. Curtis is developing new algorithms to improve resilience in the Department of Energy's Grid Optimization Competition. The goal is to address complex optimization problems, such as the SCOPF problem, and develop more flexible and resilient grid software.
Researchers used supercomputer simulations to analyze interactions between tiny ripples on droplet surfaces, finding that these waves enable the initial contact and merger of droplets. The study's findings have implications for improving 3D printing technologies and understanding thunderstorm formation.
A new study published in PLOS ONE found that people from North Africa were among the first to colonize the Canary Islands, arriving by 1000 CE. The researchers analyzed ancient mitochondrial genomes and identified lineages consistent with radiocarbon dating evidence, suggesting a complex and heterogeneous process of colonization.
A joint Chinese-UK study has revealed that around one in a hundred people in China have an autism spectrum condition, similar to the Western world. The research used a validated screening method and included mainstream school children, confirming under-diagnosis of autism in China.
Researchers discovered BRCA1 protein helps neuroblastoma cells cope with stress by opening a side track for repair. This mechanism enables tumours to grow rapidly despite DNA damage.
Two isolated mountain lion populations in southern California are threatened by low genetic diversity and mortality, which can be addressed through conservation strategies focused on connectivity and coexistence. Research suggests that connecting these populations could help prevent extinction within the next 50 years.
A new study reveals that osteoarthritis (OA) and rheumatoid arthritis (RA) have comparable impacts on patients when first visiting rheumatologists. Treatment significantly improves RA outcomes, whereas OA experiences a higher burden of disease, highlighting an urgent need for improved treatments.
A new University of Michigan study found that negative media portrayals of Muslim Americans can reduce their identification as Americans and weaken their trust in the U.S. government. The study suggests that exposure to biased news coverage can be a stronger factor than personal discrimination in shaping these attitudes.
A study found that a specific klotho genotype interacts with severe PTSD symptoms to accelerate cellular aging. This interaction highlights the potential role of klotho as a therapeutic target for protecting against age-related inflammation and loss of neural integrity.
Research finds a modest association between prenatal and infant pesticide exposure and an increased risk of autism spectrum disorder (ASD). The study supports efforts to prevent exposure during pregnancy to protect brain development.
Francoise Mornex, a renowned French oncologist, has been awarded the prestigious Heine H. Hansen Award for her groundbreaking contributions to the treatment of lung cancer. Her research focuses on combined chemoradiation strategies, multimodality treatment, and innovative radiotherapy techniques.
A new optical measurement method for radioactive methane has been developed by Juho Karhu, offering a cheaper and more agile alternative to accelerator mass spectrometry. The method uses spectroscopy to measure the absorption of materials at different wavelengths, enabling the detection of low levels of radioactive methane in various a...
The introduction of lake trout in Yellowstone Lake has altered the numbers, diet, and behavior of organisms from microscopic zooplankton to large animals such as bears and bald eagles. The study found that the impact of lake trout on native cutthroat trout has cascaded across the ecosystem.
A £2.4 million engineering research facility will test new materials within full-scale structures such as tidal blades, plane components, and bridge sections.
A mathematical model using simple blood tests and birth weight can accurately estimate gestational age without ultrasound, offering a solution to measure preterm birth rates in low-resource countries. This approach has been validated with over 1,000 pregnant women in Bangladesh and is being implemented in other countries.
A new device, paired with a customized video game, helps retrain stroke survivors' arm muscles into moving more normally. Most participants experienced increased arm mobility and reduced arm stiffness, retaining function after finishing the training.
A new study found that middle school students practicing meditation as part of a Quiet Time program showed significant improvements in social-emotional competencies and psychological distress. The study demonstrated the value of such programs in enhancing social-emotional learning and mental health in middle school students.
A UK consortium of cyber security experts is supporting global businesses to address cyber threats and protect against cybercrime. The project aims to develop interventions to provide guidance and support, with a focus on board decision-making and risk assessment.
Researchers at the University of Manchester have identified a new class of drugs that can stop ovarian cancer cells from growing. The PARG inhibitors target weaknesses in DNA replication, making them sensitive to these treatments.
Researchers at Dalian Institute of Chemical Physics used the Dalian Coherent Light Source to study vacuum ultraviolet water photochemistry, identifying rotationally hot OH radicals. Highly excited 'super rotors' were observed from water photodissociation at 115.2 nm, revealing interesting dissociation mechanisms.
A study published in the Journal of Sex Research found that gender, sexual orientation, and relationship motivation influence condom decision-making among young adults. The research suggests that women are more likely to take risks when they have stronger relationship motivation and view their partner as having more potential.
A study suggests that policymakers must recognize the growing role of recreational fishing in affecting fish populations and aquatic ecosystems. The authors propose five suggestions for guiding reform, including integrating angling targets into management and improving monitoring to moderate impacts on fish stocks.
The study finds that Bennu exists in a delicate balance between two competing forces, its wild spin creating a competition between gravity and centrifugal acceleration. This balance affects the asteroid's long-term evolution and potential demise.
A new study reveals that blackpoll warblers breed in western North America may migrate up to 12,400 miles roundtrip each year, crossing the entire continent before making a nonstop trans-ocean flight. The research provides detailed data on the species' migration routes and stopover locations.
Researchers studied how fish adapt to rapid changes in freshwater environments and found they can react quickly when alone or in groups. The study's findings suggest that fish use cues from obstacles to find energetically-beneficial places in the flow.
The European Centre for Disease Prevention and Control reports that 275,000 new TB diagnoses were made in 2017, with an estimated 77,000 cases being difficult to treat. New WHO recommendations aim to improve treatment for drug-resistant TB with safer and more effective drugs.
Researchers at Kobe University have successfully produced xylitol and cellulose nanofibers from Kraft pulp using a modified yeast strain that displays enzymes on its cell surface. This breakthrough reduces the need for costly commercial enzymes, making the process more cost-efficient and environmentally friendly.
A study by Inserm researchers found that cannabinoid type 1 (CB1) receptors control motivation for exercise, but not chocolatey food. The findings suggest that CB1 receptors on GABAergic neurons are essential for physical activity motivation.
A team of Columbia professors has designed a data-driven model to predict Li-Ion battery performance, aiming to reduce error rates from five percent to one percent. The model can help extend battery life and improve electric vehicles' efficiency by predicting charge levels and identifying weak cells.
A newly discovered parasitic arsenic cycle in which bacteria keep phytoplankton on an energy-sapping treadmill of nutrient detoxification may offer a glimpse into what further ocean warming will bring. This process could explain the success of SAR11 bacteria, which surpass all other plankton in numbers.
A Rutgers study found that former inmates who receive social support have better mental health and successful reentry into society. Without such supports, men of color face significant challenges upon release from prison.
A Southwest Research Institute-led team discovered evidence of abundant water-bearing minerals on the surface of asteroid Bennu using OSIRIS-REx spectral data. The findings are consistent with meteorites found on Earth and provide clues to the distribution and abundance of water in the early solar system.
Researchers found that a mother's diet during pregnancy can affect the expression of genes regulating lung health in her offspring. Epigenetic changes may contribute to increased rates of lung disease, such as asthma, in children born to undernourished mothers.
New research by McMaster behavioural scientists reveals evolution can work backwards to benefit related members of the same group. Selfless traits like sharing food and keeping watch are mathematically equivalent to decreased evolution of individually beneficial traits.
Researchers have detected a radio signal from abundant interstellar dust in MACS0416_Y1, a galaxy 13.2 billion light-years away. This discovery forces scientists to rethink the history of star formation and suggests that the galaxy experienced staggered starburst periods.
Astronomers now consider carbon monoxide as a biosignature gas that could indicate microbial life on exoplanets. Computer models reveal two scenarios where carbon monoxide accumulates in the atmospheres of living planets, including ancient Earth and habitable exoplanets around red dwarf stars.
Researchers discovered a bacterium in camel crickets that breaks down lignin, opening new pathways for biofuel production and chemical manufacturing. The study highlights the value of ecosystem analysis in identifying commercially valuable microorganisms with industrial applications.
A survey of 3,673 dog and cat owners found that 35% of pet owners who feed their animals conventional diets are interested in switching to a plant-based diet. Many respondents also reported already feeding their pets plant-based diets, with 27% of vegans having made the switch.
A recent study by Cancer Research UK reveals that African-American cancer patients with inherited red blood cell conditions are 20% more likely to experience serious adverse events. This disparity may be attributed to the rigors of therapy and the disproportionately higher incidence of these disorders in the African-American population.
Researchers discovered instances of epistasis, a phenomenon where two changes produce a behavior different from individual changes. This finding could impact future drug delivery and therapeutic strategies by learning the rules of virus scaffold assembly.
Researchers identified 1,148 hot spots with unusually high numbers of structural variants in the genome, including sections near genes linked to sense of smell, blood function, and immunity. The study suggests balancing selection drives adaptation and malleability of human DNA.