Articles tagged with Temperature
Researchers found that cold storage platelets (CSPs) can control active surgical bleeding as effectively as room temperature platelets (RTPs), with potential benefits including reduced wastage and increased platelet availability. CSPs may also enable platelet incorporation into inventory at locations with limited shelf life for RTPs.
Researchers at the University of Jyväskylä found that sauna steam significantly impacts thermoregulatory responses, including increased heart rates and core temperatures. High relative humidity reduces sweat evaporation, forcing the cardiovascular system to work harder.
Researchers developed a single-material dual-mode sensor that operates natively in air and water, eliminating the need for waterproof encapsulation. The sensor achieves high sensitivity across a broad detection range and maintains complete signal decoupling between temperature and pressure variations.
Researchers from the University of East Anglia examine how heat and daylight patterns transform urban life, highlighting unequal impacts on social groups. They emphasize the need for urban planning to consider bodily and temporal perspectives, integrating social justice considerations into climate adaptation efforts.
Research from the University of East Anglia found that even modest changes in weather can impact mental health service demand, with increases during hot weather and low sunshine. Fluctuations in temperature and sunlight exposure were linked to shifts in unscheduled healthcare use, with rainfall appearing to have little consistent effect.
A study in Dutch birth cohorts found early pregnancy temperature exposure associated with changes in fetal size, with colder temperatures linked to smaller crown-rump length at 12 weeks. Higher temperatures showed stronger associations during early pregnancy.
Researchers found that plant species with tougher leaves actually suffered more from insect damage, while those with higher silicon concentrations sustained less. In contrast, plants with higher heat tolerance experienced greater herbivory. Understanding these drivers is crucial for predicting forest health under future climate scenarios.
Researchers identified two weather patterns associated with an increased risk of headaches in the Northeast US. The study found that approaching cold fronts and high-pressure systems, such as the Bermuda High, can trigger new-onset headaches in people with episodic migraines.
A study by ISGlobal reveals that regions with greater socioeconomic inequalities are more affected by cold weather, while areas with higher levels of wealth face a greater risk from high temperatures. The research quantifies the impact of socioeconomic factors on temperature-related mortality across 32 European countries.
Researchers found that camels have a more flexible and coordinated response to heat stress, allowing them to maintain stability even at higher temperatures. In contrast, human cells tend to respond in a more rigid way, making them less adaptable under heat stress.
A new study from Florida Atlantic University challenges the narrative that rising temperatures will drive Americans away, finding that heat alone isn't driving large-scale out-migration. Instead, population shifts are shaped more by economic opportunity, housing affordability and local quality of life than climate conditions.
Research reveals increased interannual temperature variability over China, with greater summer variability during the Last Interglacial and stronger winter variability during the Last Glacial Maximum. This study provides a critical long-term perspective for understanding future changes in extreme temperature events.
Researchers found that specific amino acids in the TRPM8 protein of salamanders that prefer cooler environments lead to diminished cold sensitivity. This discovery provides insight into the mechanisms behind temperature-sensing channels in tailed amphibians.
Researchers analyzed electronic health records to determine heat exposure thresholds associated with emergency department use in vulnerable older patients. They found that heat-associated ED use among these patients spikes at around 90 F, not 95 F, and that targeted interventions can enhance their heat adaptive capacity.
Researchers investigated temperature-dependent sex determination in leopard geckos, finding that temperature influences sex development during a specific window of embryonic development. Early genetic changes, including the activation of male and female developmental pathways, occur before physical differences become apparent.
Researchers developed a new catalyst design using ethanol, achieving high nitrogen oxide removal efficiency at low temperatures. The new method improves the distribution of active catalytic components, leading to better performance.
The article discusses current evidence on risks of ambient heat to pregnant women, including hot weather and occupational exposures. Effective strategies for managing heat-related risks are also highlighted as critical for maintaining maternal health.
Research suggests a significant increase in suicide hotline calls during periods of extreme heat. Temperatures above the hottest 99th percentile have been linked to a 168% rise in crisis calls, highlighting the need for targeted interventions.
A recent rat study identified the neural mechanism underlying chills, a cold sensation that supports the body's response to infection. The findings suggest that prostaglandin E₂ boosts cold signals from the lateral parabrachial nucleus to the central nucleus of the amygdala, triggering chills and promoting warmth-seeking behavior.
A £3.7 million project aims to provide unprecedented analysis of mesophotic coral reefs' vulnerability to climate change and identify ways to protect them. The study will use state-of-the-art technologies to collect comprehensive data on biodiversity, health, and environmental parameters.
A new review highlights how high and extreme temperatures influence the ability of microorganisms to degrade microplastics. The study shows that heat can both accelerate and suppress microbial breakdown, depending on conditions and organisms involved.
Research found that children exposed to higher-than-usual temperatures were less likely to meet developmental milestones for literacy and numeracy. The effects were more pronounced among economically disadvantaged households, with access to clean water and urban areas.
Heat- and cold-related mortality burden in the US increased significantly between 2000 and 2020, with temperature extremes contributing to excess deaths. The study found that geographic location, cause of death, and demographic factors played a crucial role in differential vulnerability to temperature-related health risks.
Researchers found that elevated CO2 levels can cause leaf temperatures to rise by up to 1.3°C in forests, with a greater impact during extreme heatwaves. This change is likely caused by reduced transpiration and could have significant effects on the water cycle globally.
Researchers have developed a novel K⁺ and C <sub> 3 </sub> N <sub> 4 </sub> co-intercalated NH <sub> 4 </sub> V <sub> 4 </sub> O <sub> 10</sub> cathode for wide-temperature zinc-ion batteries. The innovation overcomes long-standing cathode limitations, enabling practical and scalable high-performance AZIBs.
Researchers at the University of Toronto have discovered that monolithic biochar can achieve exceptional strength and durability, comparable to mild steel. The study found strong correlations between hardness, bulk density, and carbon content, providing a quantitative foundation for tailoring biochar's performance.
Researchers found that heat transfer values increase dramatically at distances less than ten nanometres, exceeding theoretical predictions by a factor of one hundred. This phenomenon challenges current understanding of heat transfer in the nanometre range.
Researchers developed an improved algorithm that reduces bias and error rates in satellite observations by integrating temperature-sensitive absorption of pure seawater. Temperature deviations of more than 10 °C can compromise accuracy, but the enhanced approach offers reliable monitoring across dynamic environments.
A research team led by Frank Geurts measured quark-gluon plasma temperatures at various stages of its evolution, providing critical insights into a state of matter believed to have existed just microseconds after the big bang. The study revealed two distinct average temperatures depending on the mass range of dielectron pairs, indicati...
Researchers identified a 2–4 hour 'safety window' for flushing, where microbial diversity decreases and opportunistic pathogens like Legionella pneumophila begin to proliferate. Temperature plays a critical role in shaping microbial safety.
A new study by Florida Atlantic University researchers found that heat does not significantly affect the cognitive ability of sea turtle hatchlings. However, higher incubation temperatures negatively impact their physical traits, including shorter incubation durations, lower hatching success, and more frequent scute anomalies. The stud...
Researchers at Kumamoto University have developed a flexible solid electrolyte material with exceptional proton conductivity and hydrogen gas barrier properties, making it suitable for low- to mid-temperature fuel cells. The material enables stable operation across a wide temperature range, from -10 °C to 140 °C, and shows promise for ...
Exciton-polaritons in perovskites enable ultra-efficient photoluminescence, polariton lasing, and low-power laser applications. Perovskite semiconductors facilitate strong coupling at room temperature through simple methods, paving the way for robust and scalable photonic technologies.
Researchers at the University of Michigan have identified a complete sensory pathway for sensing cool temperatures, which is separate from the pathway for hot temperatures. This discovery provides insight into how the skin detects its surroundings and responds to environmental changes.
Researchers developed a universal approach to calculate liquid entropy using fundamental physical principles, achieving remarkable consistency with existing data. The new method predicts entropy accurately for various liquids, including sodium, and has significant implications for optimizing chemical reactions and material properties.
Researchers developed a Janus smart window that achieves dual electro-thermal collaborative control for improved thermoregulation, making it a promising solution for energy-efficient buildings. The innovative window offers superior thermoregulation capabilities, reducing energy consumption and enhancing environmental sustainability.
Researchers developed an anisotropic thermoelectric aerogel inspired by human muscle, enabling directional heat transport and electrical conductivity. The material converts heat gradients into electrical signals without external power, providing real-time temperature monitoring.
A 19-year study finds that 20,000 people died from heatstroke and 15,000 from cold exposure in India between 2001 and 2019. The study identifies working-age men as most vulnerable to heat-related deaths, highlighting the need for measures such as shaded parking areas and relief provisions.
A recent University of Georgia study found that a popular smartphone application frequently reports lower temperatures than direct on-site measurements, potentially leading to safety concerns. The app also underestimated the necessity of activity modifications to mitigate heat-related risks.
A new study reveals that winter sea surface temperatures in the Tasman Sea play a key role in influencing Antarctic Peninsula temperatures. Higher-resolution climate models better simulate atmospheric wave trains triggered by Tasman Sea SST changes.
Scientists found that anaerobic microbes in wetlands can remove up to 70% of methane in oxygen-deprived soils, but their ability to do so is threatened by rising temperatures. When scientists simulated a hotter future, methane emissions spiked under hotter temperatures alone.
MIT engineers developed ultrathin electronic films that sense heat and other signals, reducing the bulk of conventional goggles and scopes. The new pyroelectric thin film is highly sensitive to heat and radiation across the far-infrared spectrum, enabling lighter, more portable night-vision eyewear.
Research finds that pyrope garnet can retain up to 0.2 wt.% water, potentially dominating water transport via basaltic slabs into the lower mantle. The study also reveals strong pressure-temperature dependence of water solubility in pyrope garnet.
Researchers have developed a new material, coronene-Br2 NDA cocrystal, which converts solar heat into electricity with an exceptional photothermal conversion efficiency of 67.2% under 808 nm irradiation. The material is integrated into a thermoelectric generator to achieve high-performance solar-thermoelectric energy harvesting.
A new study by Hokkaido University found that colder temperatures significantly increase the risk of gastroenteritis among Rohingya refugees in Bangladesh's Kutupalong and Nayapara camps. The study reveals a link between temperature changes and gastroenteritis risk, with both extreme cold and heat contributing to higher numbers of cases.
Researchers at POSTECH developed a nickel-based high-entropy alloy that maintains strength and ductility across a wide temperature range from -196°C to 600°C. This stability is attributed to the presence of nanoscale precipitates, which inhibit deformation and accommodate stress through consistent slip behavior.
A study by the Barcelona Institute for Global Health found that Europe has adapted better to cold temperatures than to heat over the last two decades. The relative risk of death in low temperatures decreased by 2% per year, while the risk from extreme heat fell by 1% per year.
Koun Shirai bridges conventional physics and nonequilibrium materials to provide robust thermodynamic description of glasses. He redefines equilibrium as energy extraction impact, allowing tools of thermodynamics to apply to glasses.
Researchers at the University of Tokyo have developed a simple and cost-effective method to test lithium-ion battery safety, enabling researchers to quickly screen battery effects on safety factors such as materials, design, storage conditions, and degradation. The innovative method uses miniaturized batteries that are intentionally un...
A new UCLA-led study reveals that the Hunga Tonga-Hunga Haʻapai volcano eruption in 2022 actually cooled the Southern Hemisphere by 0.1 C due to the formation of smaller sulfate aerosols. This effect was more significant than initially thought and challenges geoengineering efforts to combat climate change.
A new study found that compound heatwaves significantly increase cardiac mortality and are more impactful than traditional binary definitions of heatwaves.
A Kobe University study found that temperature at the plate interface predicts earthquake type, while a specific plate shape causes a seismic gap. Water released from rock transformation explains slow slip events and tectonic tremors, reducing stress between plates.
A recent study reveals a decadal-scale increase in hot-dry events with high mortality risk in China, primarily affecting the northwestern and southwestern regions. The findings are associated with phase transitions of the Atlantic Multidecadal Oscillation and interdecadal variability.
Researchers at Baylor College of Medicine found that postpartum female mice prefer cooler temperatures due to changes in the preoptic area of the brain, particularly a decrease in estrogen receptor alpha neurons. These changes affect the animal's warmth-seeking behavior and are regulated by reproductive experience.
Researchers used ancestral sequence reconstruction to study the evolution of enzyme thermostability and cold adaptation. They identified key amino acid substitutions that enhanced catalytic activity at low temperatures, revealing a structural shift between intermediate ancestral enzymes.
Researchers at Kyoto University develop thermomajorization theory to unify different distance measures, eliminating ambiguities in previous studies. The approach reveals the Mpemba effect is not restricted to specific temperature ranges, but can emerge across a wide spectrum of thermal conditions.
Research uncovering rapid changes in river temperatures across the US highlights importance of observational records for environmental variability. The findings provide insights into managing habitats and understanding impacts on socioeconomic activities.
Researchers found that brook trout exhibit a genetic response to heat stress, with specific genes upregulated and downregulated in response to water temperature change. This adaptive mechanism may help the fish survive in warmer waters, but it also poses risks due to the increasing frequency and intensity of extreme weather events.
Research published in the European Heart Journal suggests that Australia's burden of cardiovascular disease caused by extreme heat will more than double by 2050. The study found that hot weather costs around 49,483 years of healthy life annually, with this number expected to increase significantly under climate change scenarios.
Scientists developed a novel solvatochromic fluorescent dye that enables high-precision temperature measurements through changes in fluorescence properties. The researchers achieved exceptional sensitivity and resolution, ideal for bioimaging applications.