Articles tagged with Temperature
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Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
The Zero-Energy Switchable Radiative Cooler (ZESRC) is a temperature-responsive solution that balances building temperatures sustainably. Field experiments demonstrate its effectiveness across seasons, reducing energy consumption by 14.3% compared to other devices.
A study of 82,000 patients found a strong association between hourly heat exposure and the onset of acute ischemic stroke. The findings suggest that high ambient temperatures may contribute to an increased risk of cerebrovascular events under global warming.
A 20-year study of 1.2 million births reveals strong associations between extreme hot temperatures and preterm birth risks in the third trimester. Greenery may help mitigate this risk, suggesting a need for urban planning strategies to incorporate more green spaces.
A century of reforestation in the eastern US led to significant cooling effects, with forests lowering land surface temperatures by 1-2 degrees Celsius annually. The study found that forest cover can influence ground surface temperatures and near-surface air temperatures, providing relief from heatwaves.
Researchers developed a device that allows amputees to sense and respond to temperature, improving dexterity and feelings of human connection. The 'MiniTouch' device enables active thermosensation during tasks requiring feedback between sensory and motor neurons.
A new universal figure-of-merit for thermophotovoltaic (TPV) devices has been introduced to assess performance and balance power density and efficiency. This metric enables the classification of previously reported experimental results, providing a clear picture of TPV device overall performance.
Researchers found a correlation between body temperature and depression symptom severity in a large international study. Participants with higher depression scores had higher body temperatures, suggesting that cooling the body may be a novel treatment approach for depression.
A new study has mapped the health risks of heatwaves in India, finding that mild heatwaves are the deadliest, while extreme ones have fewer deaths due to their infrequency. The research highlights the need for policymakers to plan for both common and extreme heatwaves to protect public health.
An international study of 12 caves worldwide reveals that climate change could threaten the planet's largest freshwater reserves. The study found that temperature variations in caves reflect changes at the surface, posing a threat to unique and adapted organisms that maintain water quality.
Research by University of Exeter scientists found that females with warmer temperatures have fewer spots, challenging long-held views on the reason for this variation. The study suggests that butterflies adapt their camouflage based on temperature, which could lead to a decrease in spotting over time.
A Eurac Research study conducted in the terraXcube simulator found that humans can perceive temperature differences as small as 0.92 degrees Celsius. This sensitivity suggests an inherent characteristic of human perception, influencing our thoughts and actions. The study's results have implications for energy sustainability in buildings.
New research found significant differences in heat tolerance among mosquito populations, with some more resilient to heat waves than others. Climate factors such as precipitation and humidity play a crucial role in determining their thermal limits, which may impact disease transmission.
A new method for desalinating seawater using hydrate-based desalination technology has been developed, offering a low-energy solution for producing freshwater. The research team calculated optimal temperatures for enhanced efficiency, with maximum water yields reaching up to 67% in certain brine concentrations.
A study published in Environment International found that air conditioning reduced heat-related mortality in Spain by up to 31.5%, while heating systems contributed to a decrease of 50.8% in extreme cold-related fatalities. However, the effect may be attenuated by an ageing population.
Scientists at Ohio State University discovered that tropical ice cores can provide accurate measurements of surface global mean temperature. The study found that the temperature in the middle and upper troposphere cooled by 7.35 degrees Celsius during the Earth's glacial period, shedding light on new theories about climate dynamics.
A Washington State University study reveals that high-elevation snow in the Pacific Northwest is melting earlier due to frequent and intense heatwaves. The researchers found that these heatwaves have doubled in frequency and intensity since the mid-1990s, posing a significant threat to the region's water supply.
A GEOMAR study found that low North Atlantic sea surface temperatures are responsible for heat events on land. The researchers discovered a link between cold ocean temperatures and European heat waves, which contributes to the formation of high pressure systems and clear skies.
The study found that 3D integration can lead to significant heat spreading and crosstalk, reducing heater efficiency by up to -43.3% and increasing thermal crosstalk by up to +44.4%. However, optimizing design variables, such as spacing between µbumps and interconnect linewidth, can minimize the thermal penalty of 3D integration.
Researchers found that high plant diversity acts as a buffer against fluctuations in soil temperature, protecting ecosystems and agricultural productivity. Plant diversity increased shading and organic carbon content, reducing heat conduction and stabilizing soil temperature.
A recent study explores the complex links between surface temperature and outgoing longwave radiation, uncovering hidden mechanisms shaping Earth's climate. The research reveals that vertical convective energy transport acts as an atmospheric mixer, suppressing nonlinearity between OLR and surface temperature.
Researchers discovered that rising temperatures trigger katabatic winds in Himalayan glaciers, cooling the air and preserving surrounding ecosystems. The team used climate models to demonstrate this phenomenon across the Himalayan range, suggesting that some glaciers may have a chance to 'save' themselves by reacting to global warming.
Forest microclimates are weakened by soil droughts, leading to hotter temperatures in forest understories. This can have devastating effects on small tree seedlings and forest biodiversity as a whole.
A new study reveals that the protective effect of income has largely eroded in affluent neighborhoods over the past 40 years. This means that even if residents have more wealth, they won't be able to enjoy cooler temperatures as climate change worsens.
A new study explores the future limits of survival and livability in extreme heat conditions, finding that current estimates may not accurately represent impacts on human health. The research provides a range of safe temperatures based on factors like humidity, age, activity level, and sun exposure.
Local sea snails, such as the frilled dog winkle, are vulnerable to warming oceans due to their inability to adapt or migrate. In contrast, species like oysters and northern anchovies, which are tolerant of heat, may survive in warmer waters.
Researchers found that honeybees' cluster behavior is a survival strategy against cold temperatures, not insulation. The study suggests that beekeepers should reconsider their hives' design and materials to reduce heat loss.
Researchers from Eötvös Loránd University have mapped the space-time geometry of quark matter using femtoscopy techniques. This study sheds light on the strong interaction governing quark matter and atomic nuclei, a fundamental area still in its early stages.
A new study from McGill University and international collaborators investigates the role of temperature in determining animal species' current and potential habitats. The research reveals that temperature is less directly limiting for land animals like reptiles, amphibians, and insects than previously thought.
A Cornell University study found that temperature variability, such as cold snaps and heat waves, reduces nesting success in songbirds. Nestlings are particularly vulnerable to these extremes, which can trigger mass die-offs if eggs and young birds are left exposed.
A new approach to understanding climate change effects on marine ecosystems considers both smooth trends and variable changes, highlighting areas vulnerable to extreme events. Researchers propose a 'more realistic' conceptual model to better predict future consequences.
Researchers at City University of Hong Kong have developed a passive radiative cooling material that achieves high-performance optical properties. The cooling ceramic reduces thermal load, provides stable cooling performance, and can be used in various building applications.
Researchers found that climate models are accurate at simulating global temperature trends but struggle to capture regional variations, particularly over long periods. This disparity has significant implications for planning and implementing climate adaptation measures.
A recent KAUST study used satellite data to investigate the effects of managed vegetation on surface temperature in arid regions. The results showed that vegetation can reduce daytime temperatures by up to 4 degrees Celsius compared to bare soil, providing an extra cooling effect on hotter days.
Researchers found a cooling of about 1°C in the southern Caribbean during the Little Ice Age, coinciding with droughts and lower rainfall in the Yucatan Peninsula. The study suggests that salt movement from the Caribbean to high northern latitudes plays a crucial role in regulating global climate.
Researchers studied how 4-year-old tree species respond to extended drought and heat, finding that different species have varying levels of drought tolerance. The study's findings can help shape forest management policy and understand future landscape changes.
A recent study investigating the thermal response of temperate lakes to atmospheric warming found that local climate, land cover, geomorphology, and water transparency play significant roles in shaping lake responses. Clear, cold, and deep lakes are more responsive to warming, while those with nutrient pollution exhibit lower sensitivity.
Researchers found that urbanized creeping woodsorrel plants exhibit red leaves, which thrive in urban areas due to high stress tolerance. Genome-wide genetic analyses revealed multiple evolutionary origins of the red-leaf variant from ancestral green-leaved plants.
The CityU innovation has dramatically enhanced the thermal robustness of perovskite solar cells, retaining over 90% of efficiency even under high temperatures. This breakthrough could significantly broaden the utilisation of these cells and contribute substantially to combating the global climate crisis.
Researchers analyzed over 150,000 bird nests across the U.S. and found that extreme heat diminishes reproductive success in agricultural landscapes, but forests provide shade to increase nesting success. Curtailing emissions and promoting thermal refuges are crucial for conserving birds.
Researchers from the University of Plymouth discovered coral reef bleaching at depths previously thought to be resilient, highlighting the vulnerability of mesophotic coral ecosystems to thermal stress. The study suggests that climate change is causing a deepening of the thermocline, leading to increased bleaching in the deeper ocean.
Juvenile crown-of-thorns sea stars (COTS) exhibit high tolerance to heatwave conditions that cause coral bleaching and mortality. This finding suggests they may persist as major coral predators in reefs vulnerable to climate change, threatening coral health.
Reduced water flows and rising atmospheric temperatures will warm rivers during droughts, posing challenges for aquatic life and ecosystems. Intense solar radiation and lower water flows accelerate warming, but certain management interventions can help offset high thermal extremes.
A new study finds that experiencing record-breaking heat days increases perceptions that the weather is getting hotter, but has little effect on beliefs in climate change. Record-heat days can drive changes in the general perception that the weather is worsening, regardless of season or media coverage.
A new study by PIK researchers reveals that less privileged people in NYC face limitations in adapting their mobility behavior to heat, leading to increased health risks. The analysis of mobility data from 438 NYC subway stations shows that those already at higher risk have the fewest options to adjust their behavior.
A study by the University of Exeter found that hot weather reduces workers' productivity even in climate-controlled factories. Productivity dropped by 0.83% for every 1°C increase in outdoor temperature, resulting in a worker producing 22.6 to 33.4 fewer wafers.
A University at Buffalo-led research team has created a new, sturdier membrane that can withstand harsh environments associated with industrial separation processes. The membrane, made from an inorganic material called carbon-doped metal oxide, is a potential alternative to energy-intensive processes like distillation and crystallization.
Researchers found a significant association between high temperatures and increased hospital visits for alcohol-related disorders. Higher temperatures also led to more hospital visits for other substance disorders, but only up to a certain limit. The study highlights the need for public health interventions during warmer weather.
A team of researchers has created an optical fiber sensor that can detect thermal runaway in lithium-ion batteries, providing early warning and improving safety. The sensor measures internal temperature and pressure during the thermal runaway process, enabling battery safety assessment and warning.
Research finds soil heat extremes are underestimated and intensifying climate change effects, with a stronger trend in the soil than in the air. Soil moisture plays a crucial role in these extreme temperatures, particularly in forests where trees can reduce evaporation losses.
A new study found that mussels can adjust their heart rate and clearance rate in response to elevated temperatures, showing they can persist and recover from marine heatwaves. This ability may help maintain normal functioning of the circulatory system and benefit other organisms in coastal ecosystems.
The UNIST team successfully fabricated high-quality Te thin films without heat treatment at low temperatures, achieving perfect atom arrangement. The developed process enables precise thickness control and uniform deposition on wafer-scale, suitable for various electronic devices.
Researchers from the University of Surrey's Global Centre for Clean Air Research found that nature-based locations can cool urban areas by up to 3°C during heatwaves. The team recommends planting trees in public spaces, especially around schools, to help tackle the urban heat island effect.
A team of researchers has made breakthroughs in harnessing low-grade heat sources for efficient energy conversion. They developed a highly efficient Thermally Regenerative Electrochemical Cycle (TREC) system that converts small temperature differences into usable energy.
Researchers have identified pathways through which warm ocean water flows into ice shelf cavities for the first time. The study found broad ocean heat intruding toward the shelf, with seawater temperatures up to 1℃ higher than freezing at depths of 50-100 meters.
A US study found that increasing nest temperatures affects leatherback hatchling morphology, performance and hatching success. Mid-season nests had the highest hatching success and better physical performance.
A team of scientists from Ames National Laboratory developed a new machine learning model that predicts Curie temperatures of new material combinations. This breakthrough discovery is crucial for designing high-performance magnets with reduced critical materials.
Researchers discovered that blending crushed rock with arable soil could help reduce global temperatures. The process, known as enhanced chemical weathering, works by releasing calcium and magnesium from rocks, which bind atmospheric carbon dioxide and prevent its release back into the atmosphere.
Researchers from Kyoto University have demonstrated the thermal quantum Mpemba effect in a wide range of initial conditions, where hotter quantum systems cool faster than initially colder ones. The team used a quantum dot connected to a heat bath and observed anomalous thermal relaxation at later times.
Researchers have confirmed the presence of chromium hydride in the atmosphere of hot Jupiter exoplanet WASP-31b using high-resolution spectral observations. This detection opens the possibility of using chromium hydride as a 'thermometer' to determine the temperature and other characteristics of exoplanets.
A study found an enhanced temperature seasonality in China during the mid-Holocene, with a nationally averaged enhancement of 2.44°C or 9% for the multimodel mean. The change was closely related to seasonal contrast variation of surface energy fluxes, mainly due to net shortwave radiation.