Articles tagged with Environmental Stresses
A new study found that pollutants can be transmitted over many generations in water fleas, persisting long enough to influence the evolutionary process. The effects of low doses of pollutants were detected even after switching to clean water, indicating stable epigenetic marks passed down through generations.
Research in C. elegans reveals that intestinal stress signals can control oocyte chromosome stability, influencing egg quality control and heritable euploidy. This study opens new possibilities for eliminating environmental influences and preventing malformations.
A study by University of Arizona researcher Sabrina Helm identified two prevailing climate change coping profiles: adaptive approach coping and maladaptive avoidance coping. The adaptive approach group tends to engage in pro-environmental behaviors and express concern about climate change, while the maladaptive avoidance group is less ...
A new report warns that current pathways to net zero climate targets in the UK are flawed and may lead to losses in biodiversity, human wellbeing, and cultural knowledge. The study recommends a more inclusive approach to landscape management, involving experts from diverse fields, to achieve sustainable futures.
Scientists have discovered characteristic breakpoints that alter pollutant concentrations in rivers, impacting global water security. The research sheds light on the behavior of aquatic pollutants in large river systems, including India's River Ganga.
Researchers discovered distinct gut microbiomes in Black and white US women, with potential associations to insulin resistance. The study highlights the importance of understanding individual microbiome variations in relation to metabolic health.
A University of South Australia study suggests that nature-based citizen science projects can alleviate stress and isolation, while improving mental, emotional, and physical health benefits. By engaging with natural environments, individuals can experience lower stress levels, improve their wellbeing, and feel connected to a community.
Researchers at Pusan National University discovered that tempered glass is more resistant to water-promoted fracture growth than annealed glass. The study found that water droplets penetrate microcracks in glass surfaces, dissolving silicon-oxygen bonds and degrading mechanical strength.
Researchers found that increasing energy intake by feeding more milk replacer supports greater growth during summer. However, feeding frequency had no effect on growth during summer but improved growth during winter. The study suggests optimizing feeding strategies to maximize calf growth and welfare in hot environments.
Research confirms that fish become sexually active and spawn due to growth-induced respiratory stress. The study found a consistent metabolic ratio across 133 species of fish, which supports the idea that reproduction is initiated by changes in oxygen supply and demand.
A study using survey data found that stronger eviction moratorium protections were associated with lower levels of mental distress among renters during the COVID-19 pandemic. The research highlights the importance of access to stable housing in maintaining mental health, particularly during times of crisis.
Researchers have found that sharks acquire their microbiome through three methods: the mother passing on microbes to her offspring via egg case, social interactions with other sharks, and recruiting microbes from their environment. This study provides new insights into the development of animal microbiomes and their importance in under...
A new study by the University of Pittsburgh School of Medicine highlights the link between stress and alcohol craving among Black individuals. The research found that higher stress levels are associated with stronger alcohol cravings for Black participants, but not white participants, suggesting a process of drinking to cope with stress.
Researchers at Tel-Aviv University have shed light on the Sigma-1 receptor's topology and function in neurodegenerative diseases. The study reveals that the receptor is retained in the endoplasmic reticulum and its amino end faces the cytoplasm, providing a crucial mechanism for therapeutic approaches to alleviate suffering from ALS.
A team of scientists has identified a new force behind the past mass extinction event, finding that volcano eruptions produced a 'volcanic winter' that drastically lowered earth's temperatures. This change added to the environmental effects resulting from other phenomena at the time.
The HEALthy Brain and Child Development study will enroll 7,500 pregnant mothers and their infants at 25 US sites. The findings will provide insight into how environmental exposures, such as poverty and maternal stress, affect brain development from birth to age 10.
Researchers at Ruhr-University Bochum study coral reefs' reaction to climate change, discovering polyp bailout as a potential survival mechanism. The study reveals different species react with varying intensity to environmental stressors, and that individual polyps can survive and grow in new locations.
Researchers at KAUST develop adaptive framework to increase coral resilience, combining tools like selective sexual propagation, coral probiotics, and environmental hardening. They also investigate the potential of genetic adaptations and beneficial microorganisms to enhance coral's stress resilience.
Researchers found that bacteria create tiny liquid droplets from proteins to help them survive harsh environments and reduce the risk of being killed by antibiotics. These droplets, called aggresomes, are highly dynamic structures that allow bacteria to respond quickly to changes in their environment.
Wildlife exposed to low levels of radiation from the Fukushima nuclear accident showed no significant adverse health effects, according to a recent study. The research found that biomarkers of DNA damage and stress were not affected by chronic, low-dose environmental radiation exposure in wild boar and rat snakes.
A new Stanford University study suggests that rising oxygen levels may have slowed down ancient ocean extinctions. The research found that oxygen levels beyond 40% of present atmospheric levels expanded viable ocean habitat and reduced extinction rates. This discovery has implications for understanding the fate of ocean creatures in to...
A study by Brazilian researchers warns of extreme heat risks in northern Brazil due to savannization and climate change, posing a threat to human health and productivity. Approximately 12 million people may be exposed to extreme risk of heat stress by 2100, with severe economic implications.
A new study projects that marine heatwaves will wipe out hundreds of thousands of tonnes of fish available for catch in a country's waters by the century's end. Researchers warn that extreme temperatures will exacerbate impacts on fisheries and human communities, leading to significant job losses.
A new study found that bigleaf maple trees are declining due to warmer, drier summers in Western Washington. The research team discovered that the trees' growth is sensitive to dry weather conditions, leading to smaller leaves and reduced overall mass.
Salt stress alters legume responses to symbiotic rhizobacteria by modulating gene expression. Several genes with well-characterized functions in nodulation are highly induced under salt stress, making the plant hypersensitive to bacterial signals.
A new study by UBC Okanagan researchers found that including a kindness assignment in an undergraduate course increased students' self-reported kindness scores and peer connectedness. The research highlights the importance of kindness initiatives in post-secondary education.
Research by University of Arizona Health Sciences identifies chronic arsenic exposure as a risk factor for developing insulin resistance and glucose intolerance. The study found that prolonged activation of NRF2 protein leads to shifts in metabolic pathways, increasing glucose production in the liver.
Researchers at Binghamton University found that wood frog eggs laid later in the breeding season are less resilient to road salt pollution. The study highlights the complex effects of climate change on amphibian breeding, which may lead to population declines in vulnerable species.
A study published in the Journal of Medical Internet Research found that healthcare workers with high emotional support or resilience were protected against stress related to COVID-19. The study used wearable devices to measure heart rate variability and found a unique nervous system profile in these individuals.
A study by the California Academy of Sciences and colleagues found significant tissue abnormalities in oysters from the Gulf Coast, even years after the devastating oil spill. The researchers discovered higher rates of metaplasia in Eastern oysters, which can cause debilitating health issues.
Researchers found that stressed fruit flies have the biggest change in their microbiome, suggesting a link between social stress, immunity, and longevity. The study used Drosophila melanogaster fruit flies and found sex- and age-specific variations in their microbiome composition.
Researchers found that late-season weeds had a significant impact on corn yields, with minimal control resulting in an average loss of 50% and exacerbating crop losses under hot or dry conditions. The study suggests that climate change is not the only factor affecting corn yield, but rather its interaction with weeds.
A new study reveals corals have a high ability to pass on adaptive traits, helping them cope with climate change stress. However, reducing global warming is crucial for making the most of this adaptation capacity.
Researchers Altaf Engineer and Esther Sternberg aim to redesign office spaces to enhance employees' emotional and physical health. Their seven-domain framework considers factors like sleep, movement, environment, and nutrition to create a healing space.
A new study asked over 470 firefighters about their recovery methods in extreme heat, finding that simple strategies like finding shade and drinking water are often used. The research suggests potential for better cooling and recovery protocols to improve firefighter safety and performance.
A survey of mostly African American adults found that vaccine hesitancy was greatest among those aged 18-29, with COVID-related housing insecurity increasing the odds by sevenfold. Younger individuals and those experiencing housing insecurity were more likely to be resistant to vaccination.
A new study found that US-China trade tensions would lead to increased nitrogen and phosphorus pollution and irrigation water consumption in agriculture, affecting not only the two countries but also other nations through international trade.
Researchers at Rice University are developing novel computational approaches to track environmental microbiome dynamics over time, across species and after perturbations. The team will use biofilm-based 'species abundance networks' on scaffolds to observe how they form their own genome-exchange networks.
A Cornell University study found no evidence that environmental stresses increase THC concentrations or CBD ratios in hemp. The research suggests genetics play a key role in determining THC content and CBD ratios.
Researchers found that adult corals exposed to high temperatures can produce offspring better suited to thrive in changing environments. This study provides insights into the long-term consequences of climate change on coral populations.
Researchers warn of the environmental threat posed by disposable face masks made from microplastic fibers, which can fragment into nanoplastics and contaminate ecosystems. The production of disposable masks is estimated to be on a similar scale as plastic bottles, but with no official recycling guidelines.
The study suggests most animals remain stressed for longer than optimal after a stress-inducing incident, likely due to physiological limits. The researchers propose that environmental predictability and baseline stress levels play key roles in shaping stress responses.
The discovery of a new fossil specimen at Drimolen cave system reveals subtle anatomical changes in Paranthropus robustus, challenging the long-held assumption that males were larger than females. The findings suggest that environmental conditions drove rapid evolutionary changes in the species.
A study published in Global Change Biology found that mountain stoneflies can tolerate warmer water temperatures at least temporarily. The insects may even be stressed in their current extremely cold environments, contradicting the prevailing theory that rising water temperatures will be devastating for them.
Researchers at the University of Miami Rosenstiel School found that Ultra Music Festival was stressful for toadfish, causing a significant stress response and elevated cortisol levels. The study showed a 4-5 fold increase in blood cortisol levels in toadfish during the festival.
A new study found that enforced monogamy creates populations less resilient to environmental stress, while polyandrous mating patterns improve genetic quality. This could help with conservation management and breeding in captivity for endangered species.
Researchers will study how COVID-19 affects college students' stress levels and ability to learn remotely, using computer vision algorithms and physiological signals. The project aims to shed light on the short- and long-term effects of the pandemic on students' academic outcomes and emotional well-being.
A study published in Royal Society Open Science found that small and slowly moving robots can effectively monitor the behavior of salmon in fish farms without scaring them off. The results suggest that these robots can provide valuable insights into the state of the fish, including their health, parasites, and feeding habits.
A Rutgers University study predicts that heat stress from extreme heat and humidity will affect areas home to 1.2 billion people annually by 2100, with four times more people affected than today. The research highlights the dangers of combined extremes of heat and humidity on human health, agriculture, and the economy.
The review highlights the global scope of microplastic pollution, affecting not just oceans but also land surfaces and the air. Researchers emphasize the need for holistic studies and improved analytical tools to understand microplastics' impacts on ecosystem health and human health.
Researchers have discovered a new mechanism by which cells respond to environmental stresses, including high temperature, dryness and high salination. The study found that a cytoplasmic sensor enhances MAP kinase phosphorylation, leading to a more accurate and robust response than previously thought possible.
Researchers at Washington State University found that arbuscular mycorrhizal fungi provide added benefits during crises, enhancing water uptake and nutrient acquisition in plants. The study suggests that focusing on fungi can help sustainably grow crops under stressful conditions.
Researchers have developed a portable device that can quickly analyze microbes in oceans, revealing the health of organisms and their response to environmental threats. The tool screens for antibiotic-resistant bacteria and analyzes algae living in coral reefs.
Flinders University researchers have developed a method to enhance plant tolerance to climate change stressors by manipulating mitochondrial respiration. This approach has shown promise in improving plant recovery from drought and high light conditions.
Researchers at the Helmholtz Centre for Environmental Research - UFZ have developed a model that can predict the effects of toxicants on sensitive individuals and species at very low concentrations. The model takes into account the interaction between toxicant concentration, individual sensitivity, and environmental stress.
A large study found that people who walk the most live in areas with good public transport service and a higher density of households, services, and installations. Walking is associated with improved health and reduced air pollution.
A study found that shark pups born in stressed environments, like those with climate change and overfishing, lose their initial physical advantages. This means they start foraging later and have lower body conditions, affecting their survival rates.
Scientists have found 34 species of coral thriving in mangrove lagoons on the Great Barrier Reef, providing novel information on mechanisms supporting coral resilience to climate change and pollution. The corals have adapted to extreme low pH, low oxygen, and variable temperatures, but at a cost: reduced calcification rates.
A new study found that social isolation in mice and rats causes higher stress and anxiety levels, leading to more severe seizures in epileptic rodents. This highlights the importance of housing conditions in experimental design and data analysis.
Researchers aim to develop crops more resilient to climate change and emerging pathogens through microbial interactions. The Collaborative Crop Resilience Program will focus on three projects: Matrix, Interact, and InRoot, which examine plant-microbial interactions above ground and below ground, as well as the development of new crop v...