Articles tagged with Temperature
A new study uses social media data to understand global air conditioning adoption patterns. It finds that middle-aged, educated males and parents of small children tend to express higher online interest in AC. This research aims to improve climate change adaptation measures by identifying sociodemographic groups at risk.
Scientists at Tokyo University of Science created a fracture-resistant alloy through heat-treatment, exhibiting improved elastocaloric properties and resistance to cyclical loads. The Cu-Zn-Al alloy showed significant increases in grain size, leading to enhanced cooling capabilities and paving the way for innovative refrigeration systems.
Researchers established quantitative relationships between coals and evapoerites with temperature and precipitation during the Phanerozoic. Coals formed predominantly in equatorial regions, while evaporites formed in subtropical dry zones.
Researchers developed a new thermoelectric generator that can generate electricity using heat from the sun and radiative element, providing reliable power source for outdoor sensors and wearable electronics. The device works continuously during day or night and in cloudy conditions, addressing constraints of traditional power sources.
Researchers discovered a hydrogel material that maintains its ability to absorb moisture despite rising temperatures, contradicting intuition. The material, polyethylene glycol (PEG), doubles its water absorption between 25-50 degrees Celsius, making it suitable for passive cooling and water harvesting applications.
A recent study found that temperature and extreme drought drive movement among herds of Plains bison, posing challenges for managing the iconic species. The team analyzed GPS-backed evidence from 33 Plains bison across two sites in Oklahoma, revealing a strong link between air temperature and bison movement.
The study analyzed ancient dolomite deposits to estimate the temperature and composition of a shallow inland sea during the Palaeoproterozoic era. The findings suggest that the conditions were ideal for photosynthetic algae to emerge, pumping oxygen into the atmosphere.
A team led by Associate Professor Jonathan Boreyko has discovered that ice can quench heat more effectively than water, especially at high temperatures. The study found that ice absorbs heat as it melts, reducing the amount of heat available for vapor bubbles to form.
A new study by Lund University highlights the need for cities to develop more resilient electricity networks to cope with extreme weather events. The research models show that urban heat islands can increase cooling demand by up to 68% in some cities, leading to power shortages and blackouts if not accounted for.
A new study found that the 2021 heat wave in Washington state contributed to an additional 159 injury deaths due to indirect causes such as drownings and violence. The researchers recommended increasing funding for cooling centers and mental health services to prevent injuries caused by heat waves.
A recent study found that ocean warming triggers dinoRNAV infections in coral colonies, intensified in unhealthy colonies. This is the first empirical evidence of reef-wide dynamics of viruses infecting coral symbionts during heat waves.
A recent study reveals that uneven future warming in the Indian Ocean can cause shifts in monsoon precipitation, with potential impacts on societies and ecosystems. The research identifies key mechanisms driving these changes, including winds and ocean currents.
The study found that heat domes over Western North America contributed 50% of the observed high temperatures in 2021-like heatwaves. The intensities of these extreme heat events are projected to increase by 40-fold by the end of the century, emphasizing the need for climate mitigation and adaptation activities.
The Tibetan Plateau's land surface darkening due to global warming affects regional and remote climates in Asia. The study predicts a 6.9% loss in glacier volume and increased monsoon precipitation over South Asia by the end of the century.
Researchers have developed a novel technology for nanoencapsulation of bioactive compounds, specifically anthocyanin, using pectin and lysozyme. The methodology ensures slow release of the compound, allowing it to survive gut bacteria and digestive enzymes.
A new study of tree rings from the region shows that the event was almost certainly the worst in at least the past millennium. The research established a year-by-year record of summer average temperatures going back to 950, revealing scores of abnormally hot summers.
Researchers have developed a plant-based film that gets cooler when exposed to sunlight and comes in various colors, promoting passive daytime radiative cooling. The material can rival residential air conditioners in cooling power and has potential applications in buildings, cars, and other structures.
Scientists create new 'phase change inks' using nanotechnology to regulate temperature in everyday environments. These innovative materials could transform how we heat and cool buildings, homes, and cars by adjusting radiation absorption based on surroundings, enabling passive climate control.
A team of researchers developed a dynamical model that explains how animals learn over time, contradicting previous theories. The multi-dimensional model shows that learned associations are not mediated solely by strength but by multiple nearly independent pathways.
A new study suggests that climate change could lead to increased pesticide toxicity on bee populations and their pollination services. Environmental temperature can influence the degree to which pesticides affect bees' behavior, with certain temperatures causing a 'tipping point' in their ability to tolerate pesticide exposure.
An international team has discovered how electrons can move rapidly on a quantum surface driven by external forces, visualizing the motion of electrons on liquid helium for the first time. The research revealed unusual oscillations with varying frequencies and a combination of quantum and classical dynamics.
QUT researchers have solved a long-held geological conundrum about how diamonds formed in the deep roots of the earth's ancient continents. The study used computer modeling on an ancient rock sample to determine that diamonds are rare today and were always rare, challenging the existing explanation.
A new study has found that the growing period of hardwood forests in eastern North America has increased by an average of one month over the past century as temperatures have steadily risen. The research used data from Ohio farmer Thomas Mikesell's comprehensive dataset and compared it to present-day observations, revealing a clear con...
A new study finds that ocean warming can impact the growth, metabolic rate, and gene activity of newly hatched clownfish larvae. The researchers found that warmer temperatures led to faster growth rates, higher metabolic rates, and changes in gene expression.
Heat flow in the Earth's core is linked to anomalies in the magnetic field, particularly over Africa and the Pacific. The cooling process does not happen uniformly, causing regional changes to the magnetic field.
A recent study confirmed that a record-high temperature recorded in October 2021 would have been extremely unlikely to occur without the influence of global warming. The team quantified how often such heatwaves may occur during future fall seasons under different greenhouse gas emission scenarios.
A study published in PLOS Climate suggests that climate change is significantly affecting land where coffee is cultivated, particularly due to synchronous climate hazards occurring in multiple areas. The researchers found an increase in climate hazards and compound events threatening coffee crops globally between 1980 and 2020.
Researchers from Pusan National University studied compound extreme weather events in northern East Asia and found that a lack of soil moisture led to increased evaporative stress, amplifying heatwaves and triggering compound droughts and heatwaves. Understanding these dynamics is crucial for societal safety.
Researchers at UNIGE discovered that seeds have an internal thermometer-like mechanism to delay or block germination if temperatures are too high. This mechanism is implemented by the endosperm tissue, which controls germination and seedling growth.
Research at Cornell University found that co-locating solar panels with commercial agriculture can improve power conversion efficiency and solar-panel longevity. Agrivoltaic systems offer increased passive cooling through taller panel heights, more reflective ground cover, and higher evapotranspiration rates.
Phytochromes play a dual role in seed germination of Aethionema arabicum, stimulating but also inhibiting germination. The study reveals that high light intensity and duration inhibit germination, while short exposure favors germination, indicating a genetic basis for adaptation to environmental requirements.
A team from TU Wien has developed a method to cool several particles simultaneously by adapting the spatial structure of a laser beam to particle motion. The technique uses far-field wavefront shaping to optimize cooling and can be achieved without knowing the exact location or movement of the particles.
Researchers at West Virginia University have developed a new theory that extends the first law of thermodynamics to systems not in equilibrium. This breakthrough has numerous potential applications across physics and other sciences, including studying plasmas in space and low-temperature plasmas.
Researchers at Aalto University have developed new textiles that change shape when heated, providing adjustable aesthetics and potential applications in health monitoring and thermal insulation. The innovative fabrics use liquid crystalline elastomers, which can respond to heat, light, or other stimuli.
Researchers at NTNU developed a predictive control heating system that can optimize energy consumption by predicting heating needs and utilizing surplus heat. The system saved 1.8% in energy costs per month, demonstrating its potential to reduce electric bills.
A review article in Nature suggests that the Earth was likely warmer 6,500 years ago and followed a cooling trend until human-caused warming began. The study's findings highlight uncertainties in climate models and underscore the need for further research on natural climate variability.
Researchers identify 'thermal cortex' in posterior insular cortex of mice brains, finding specific cold-responding neurons for warmth and vice versa. The discovery sheds light on temperature perception and may help understand complex surface structures and brain diseases.
A Lund University study finds that temperate regions have larger insects due to bird predation pressure and temperature, reversing a 200-million-year-old trend. This shift helps explain the global variation in body size among dragonflies and damselflies.
A modelling study suggests that increasing urban tree cover to 30% could decrease deaths from higher summer temperatures by a third. The study found that tree cover reduced urban temperatures by an average of 0.4 degrees during the summer, resulting in 6,700 premature deaths attributable to hotter urban temperatures.
A new study finds that warmer temperatures cause a pathogenic fungus to experience adaptive responses, leading to increased disease-causing potential. The research, led by Asiya Gusa at Duke University, suggests that rising global temperatures may contribute to the evolution of more virulent fungal pathogens.
Researchers have developed a chemical variation that significantly improves the stability of perovskite thin films in solar cells, achieving efficiencies of up to 24.6%. The new coating, b-pV2F, wraps around individual microcrystals like a soft shell, reducing thermal stress and increasing efficiency.
Researchers at the University of Chicago have designed a temperature-sensing building material that changes its infrared color to absorb or emit heat based on outside temperatures. This innovation aims to reduce building energy consumption and greenhouse gas emissions, making it an essential step towards a more sustainable future.
A new study predicts that by 2099, future extreme heatwaves will expose up to 11% of land vertebrates to temperatures beyond their historical levels. However, a low-emissions scenario greatly reduces animals' exposure to heat extremes.
A study led by Robert Dickson found that the gut microbiome plays a crucial role in regulating body temperature, both in health and during sepsis. The researchers discovered that certain bacteria from the Firmicutes phylum were strongly associated with increased fever response.
Researchers found that larvae of the Atlantic mangrove fiddler crab survived less in warmer water and underwent physiological changes due to higher acidity. Marine heatwaves will be harmful to species and those that feed on them, with potential economic losses to fisheries. Further research is needed to understand the effects.
Researchers at North Carolina State University found that ants do not adjust their behavior in response to rising temperatures, persisting in sub-optimal microhabitats. The study suggests that ants may not be able to adapt to warmer ecosystems, with potential implications for forest ecosystems.
Scientists reveal phase-transition-temperature-dependent structure evolution process of intermetallic compounds, a crucial step in synthesizing efficient fuel cell electrocatalysts. The research provides a guideline to optimize alloying and ordering processes, leading to improved particle sizes and catalytic activity.
Researchers have developed shortwave-infrared and thermal imaging techniques to accurately diagnose active dental caries. SWIR-based approach shows superior results in detecting lesions, while thermal imaging proves less effective.
A team at City University of Hong Kong has developed a novel approach to converting environmental temperature fluctuations into clean chemical energy using pyroelectric catalysis. By combining pyroelectric materials with localized plasmonic heat sources, the researchers achieved significantly faster and more efficient pyro-catalytic re...
A new study found that record-breaking snowmelt rates occurred at 24% of all mountain snowpack monitoring sites in the region in April 2021. This rapid snowmelt further compounded drought conditions, leading to reduced hydropower production and water availability across the West.
A study by Brown researchers reveals how climate change can impact the Indian Ocean dipole, leading to extreme weather events like megadroughts in East Africa and flooding in Indonesia. The analysis compares long-term climate data with simulations from an advanced climate model.
A new study by Boston University School of Public Health and the University of Washington School of Social Work found a consistent relationship between higher temperatures and higher risk of shootings in 100 of the country's most populated cities. Nearly seven percent of shootings can be attributed to above-average daily temperatures.
Computer simulations demonstrate that chaos plays a crucial role in the emergence of thermodynamic behavior from quantum theory. A quantum system with indistinguishable particles and a thermometer-like particle shows a temperature distribution consistent with Boltzmann's rules only when the system exhibits chaos.
Researchers have found that corals in the northern Red Sea have not experienced mass bleaching despite high heat stress due to their acquired temperature tolerance around 7,000 years ago. The region's reefs are expected to be among the last standing by the end of the century under projected warming scenarios.
A national study found that Americans are moving to regions with the greatest risk of wildfires and significant summer heat, despite climate change projections. The top migration destinations were cities in the Pacific Northwest, parts of the Southwest, Texas, Florida, and the Southeast, which already face significant wildfire risks.
A new study found that different populations of the same marine species have varying thermal limits, and connecting them could ensure survival in a warming world. This approach offers a window of hope for adaptation and conservation practices.
Researchers have developed a flexible temperature sensor with high sensitivity, measuring from liquid nitrogen temperatures to 1200℃. The sensor overcomes existing limitations and shows promise for applications in aerospace, steel metallurgy, and more.
Researchers at Pusan National University have developed a new, energy-efficient process to control the orientation of filler particles in thermally conductive polymer composites. This allows for improved heat dissipation in electronics and batteries, reducing energy costs and extending device lifespan.
A study finds that microbial communities can rapidly respond to temperature fluctuations by re-activating latent species adapted to thrive at different temperatures. This 'species sorting' mechanism allows communities to survive in response to changing environmental conditions.
The new system consists of two gels with different properties that respond homeostatically to environmental changes. Researchers have created a feedback loop using lasers and mirrors, allowing the system to regulate its temperature in response to external stimuli.