Researchers create high-performance exterior PDRC polymer coating with nano-to-microscale air voids, which reflects sunlight and radiates heat to the sky. The coating can be fabricated, dyed, and applied like paint on various surfaces, achieving cooling capabilities in both desert and tropical climates.
Researchers found that jet-air dryers contaminated toilet floors, sinks, and surfaces with bacteria such as Staphylococcus aureus and enterococci. The study suggests that paper towels are a safer alternative for hand drying in hospitals.
Scientists at TU Wien and Cornell University develop a novel method to create ultra-pure ice and apply it to titanium dioxide surfaces, revealing that smallest impurities are surprisingly significant. The study finds that two organic acids, acetic acid and formic acid, are the main culprits behind surface contamination.
Researchers at MIT Media Lab have developed a system called TARF that uses underwater sonar signals to transmit data to airborne receivers, breaking through the water-air barrier. The system consists of an underwater acoustic transmitter and a highly sensitive receiver that decodes the vibrations caused by the sonar signal.
A national clinical trial found that prehospital plasma transfusion can reduce mortality in traumatically injured patients with severe bleeding. The study, published in the New England Journal of Medicine, showed a 9.8% increase in survival rates among patients who received two units of plasma during air medical transport.
Researchers discovered a mechanism for forming nanometre-sized ultrafine particles in polluted air, involving sulphuric acid and dimethylamine. The study, published in Science, uses advanced measuring equipment developed by the University of Helsinki's Atmospheric Science department.
Researchers in Shanghai discovered new particles formed in polluted air, defying expectations and highlighting the need for emission reductions to mitigate climate change. The study provides new insights into urban particle formation (NPF) and its role in affecting local and global air quality.
Researchers found that cyclists experience only 5-7% of the air resistance they face when solo riding. This discovery may lead to more successful escapes and changes the positioning strategy for professional cycling teams.
Researchers found temperatures as low as -98 degrees Celsius in small valleys near the top of Antarctica's ice sheet, driven by persistent clear skies and extremely dry air. The study challenges current understanding of Earth's surface temperatures, suggesting a limit to how cold it can get.
Direct air capture technology captures CO2 from the atmosphere and converts it into fresh fuels, reducing carbon footprint of transportation with minimal disruption. The resulting fuels are compatible with existing infrastructure and have ultra-low life cycle carbon intensities.
Scientists from Shinshu University and PSL University have theoretically proved a new mechanism for separating air molecules using nanowindows in graphene. The study shows that the atomic vibration of the nanowindow-rim changes the effective nanowidow size, selectively allowing oxygen from air to pass through, with separation efficienc...
Researchers developed a novel gel-like material that effectively dehumidifies ambient air while harnessing the moisture in the air for various applications. The hydrogel can absorb water from surrounding air more than 2.5 times its weight and performs at least eight times better than commercial drying agents.
A new study by Carnegie Mellon University researchers found that exposure to lead in the air and topsoil is associated with lower fertility rates among US women and men. The study analyzed data from the 1970s to 2000s and found that reduced airborne lead levels boosted fertility, while higher levels of lead in soil decreased it.
A Dartmouth-led research study found that New Hampshire's streams will warm due to climate change, impacting species dependent on cold water. The study suggests that watersheds with colder temperatures and less sensitivity to air temperature changes should be prioritized for conservation.
A new 'water-in-salt' electrolyte enables stable lithium-air battery operation with superior long cycle lifetimes, according to Boston College researchers. The team's approach involves no organic solvents and allows water molecules to lock onto ions, reducing degradation when in contact with oxygen.
The US Navy is looking to accelerate innovation and deliver new capabilities quickly to warfighters. The Office of Naval Research (ONR) and leadership from the Naval Research Enterprise will discuss this at Sea-Air-Space.
Researchers from PSU, Stanford, and USGS will investigate volcanic ash behavior to inform emergency evacuations and air traffic decisions. Using high-resolution cameras and lasers, they aim to gain a better understanding of how far volcanic particles drift and cluster.
Researchers at MIT have developed a device that can extract potable water from even the driest of desert air, with relative humidities as low as 10 percent. The system uses metal-organic frameworks (MOFs) and can be powered solely by sunlight.
Researchers at UIC and Argonne National Laboratory designed a new lithium-air battery that can operate in a natural-air environment without oxidation or buildup of undesirable byproducts. The battery achieved record-breaking 750 charge/discharge cycles, surpassing previous experimental designs.
A new study reveals that primitive air-breathing fish, such as the South American lungfish, exhibit similar mechanisms controlling the heart as mammals. These mechanisms include a periodic breathing pattern and respiratory sinus arrhythmia (RSA), which enables the fish to maximize oxygen uptake during air-breathing bouts.
A Hong Kong Baptist University study found that skin squames from humans contribute to odors in air-conditioning systems by providing a food source for bacteria. The researchers recommend installing filters to capture skin squames, which can help mitigate odor problems.
Researchers developed stable, self-disrupting microbubbles to carry oxygen in the blood, reducing the risk of embolism. The microbubbles were shown to increase survival rates in rodents with cardiac arrest, providing a potential lifesaving treatment.
Researchers at ETH Zurich investigate extreme winter weather events that led to unprecedented sea ice melting. A unique combination of air currents and high-pressure systems accelerated the melting, reducing sea ice thickness by 30 centimeters in some areas.
A team of researchers from the University of Bonn has discovered a unique type of bony tissue called pneumosteum, which is found in birds and some dinosaurs. This discovery provides new insights into the evolution of their respiratory systems and opens up possibilities for studying extinct species.
Researchers have discovered a new mechanism by which Earth's atmosphere breaks down meteors as they approach the planet. The new finding reveals that air particles penetrating the meteor's porous interior can create pockets of high pressure, ultimately leading to the rock's explosion in the upper atmosphere.
Researchers discovered that high-pressure air in front of meteoroids seeps into their pores, cracking them and causing explosions. A unique computer code allowed the team to simulate this phenomenon, explaining why some meteoroids disintegrate before reaching Earth's surface.
Researchers found that precise timing patterns of brain activity distinguish between airflow-driven mechanical signals and those generated by odors. This discovery demonstrates the neural code underlying olfaction, revealing how neurons differentiate between air-flow information and odor information.
A two-year project, called HOMEChem, aims to comprehensively understand the chemistry of indoor environments by studying various aspects of air, surfaces and microbes in a recreated home setting. Researchers will analyze data collected using new mass spectrometry-based instrumentation.
Researchers at Forschungszentrum Jülich observe deposits forming on iron electrodes during operation, revealing a key to improving battery performance. The findings enhance energy density and capacity, paving the way for widespread adoption in mobile applications.
Researchers at Binghamton University have developed a new type of microphone that uses spider silk to improve directional sensing across a wide range of frequencies. The study, led by Professor Ron Miles and graduate student Jian Zhou, found that the fine fibers are able to pick up velocity rather than pressure of air waves.
University of Delaware researchers have developed catalysts that transform lignocellulosic biomass into high-carbon molecules suitable for jet fuel, enabling cost-competitive and sustainable production. The process operates at low temperature and is scalable, addressing the need for non-petroleum-based fuels for aviation.
The new RoboBee, 1,000 times lighter than previous robots, uses floating devices and an internal combustion system to stabilize on the water's surface before propelling itself back into the air. The robot can perform search-and-rescue operations, environmental monitoring, and biological studies.
The study presents a novel catalyst for metal-air batteries with excellent electrochemical performance, close to that of precious metal catalysts. The new catalyst, PBSCF-NF, exhibits high surface areas and improves the bi-functionality of oxygen reduction reaction and oxygen evolution reaction.
Researchers found over 100 air samples from tropical and subtropical regions revealing an average of 67,000 prokaryotes per cubic meter of sampled air over the oceans compared to 190,000 bacteria per cubic meter of air over land.
Gallium selenide, a 2D semiconductor, loses electrical conductivity in air due to oxidation, hindering its application in nanoelectronic devices. Encapsulating GaSe in vacuum-manufactured devices with protective layers can maintain its optoelectronic properties.
A new study found that deep-sea dispersant injection improved air quality for responders at the Deepwater Horizon disaster site. The subsea injection may have broken up petroleum into smaller droplets, reducing volatile toxic compounds in the air and allowing responders to work longer without respirators.
A 16-year study of over 280,000 patients found that colder air temperatures are associated with a higher risk of heart attacks. The study, led by Prof David Erlinge from Lund University, used meteorological data to analyze the relationship between weather conditions and heart attack incidence.
French researchers have developed a new green solvent that can trap harmful volatile organic compounds from the air. The non-flammable mixture, made from choline salt and urea, was found to dissolve up to 500 times more chemicals than water at 30°C.
A new study found that humpback whales avoid loud ocean mining noise triggered by seismic air gun surveys, suggesting a clear avoidance reaction within a certain distance from the vessel. The research aims to improve current mitigation measures to prevent adverse effects of seismic air gun noise on large whale behavior.
A team at MIT has carried out detailed tests that resolve the questions surrounding a compound called lithium iodide, a possible solution to some of the lithium-air battery's problems. The study finds that LiI can enhance water's reactivity and interfere with charging, but suggests ways to suppress these reactions to make it work better.
Researchers at the University of Sydney have made a breakthrough in rechargeable zinc-air batteries by developing a new three-stage method that produces low-cost and high-performance catalysts. The new catalysts can be used to build rechargeable zinc-air batteries, overcoming one of the biggest hurdles preventing their widespread use.
A recent study found that air travel is significantly linked to the spread of dengue viruses in Asia. The analysis of genetic sequences revealed that three serotypes were most associated with air traffic.
Researchers from Lomonosov Moscow State University found that electrode passivation in lithium-air batteries is triggered by the binding of superoxide anion with lithium ions. They suggested using solvents, electrolytes, and materials to inhibit this process, which could lead to more efficient battery operation.
New research reveals that commercial seismic surveys cause a two to three-fold increase in mortality of adult and larval zooplankton. The study found significant negative impacts on zooplankton populations up to 1.2 kilometers away from the air gun signals.
Researchers from Queensland University of Technology found that airborne pseudomonas aeruginosa bacteria can remain viable in the air for up to 45 minutes after being expelled by human coughs and sneezes. This could have significant implications for infection control in hospitals, particularly for patients with cystic fibrosis.
Researchers found that brown carbon released into the air from wildfires is more likely to travel to the upper levels of the atmosphere, where it can cool or warm the air. Brown carbon appears more likely than black carbon to have a greater impact on climate due to its altitude.
Researchers develop new method to calculate indoor CO2 concentrations more accurately, using established concepts from human metabolism and exercise physiology. The new approach considers body size, composition, diet, and physical activity to provide a more reliable estimate of CO2 generation rates.
A team of researchers led by Colorado State University is conducting a comprehensive study to better understand how wildfire smoke changes chemically with time, affecting air quality across the US. The study aims to improve predictions of air quality and weather patterns.
Researchers have discovered how oxygen blows bubbles inside a lithium-air battery when it discharges, a crucial step towards improving the technology. The findings, published in Nature Nanotechnology, propose a new mechanism for bubble formation that could lead to smaller and more stable batteries.
Researchers at UC Berkeley and MIT have developed a solar-powered harvester that can collect water from the air even in extremely dry conditions. The device uses a metal-organic framework to absorb water vapor, which is then condensed and collected using sunlight as power.
Tel Aviv University researchers studied whiteflies' takeoff method, finding they use wingtip air resistance to stabilize before spreading wings. This technique may be applied to miniaturized drones for improved stability during takeoff.
Researchers at UNIST created a three-dimensional tactile sensor that detects wide pressure ranges from human body weight to finger touch. The novel method uses foldable substrates and air-dielectric layers, enabling simultaneous detection of position and intensity of pressure.
The US Air Force and Walt Disney Company have been recognized for their pioneering use of operations research (O.R.) to improve decision-making processes. The organizations have effectively integrated O.R. into their daily operations, resulting in enhanced efficiency, effectiveness, and innovation.
The US Air Force Academy has been awarded the 2017 UPS George D. Smith Prize for its effective preparation of students to become frontline analytics practitioners in the Air Force. The academy's O.R. program provides cadets with access to real-world data and problem-solving opportunities through partnerships with top organizations.
Researchers at the University of Basel discovered that rare earth oxides become hydrophobic only after aging due to chemical reactions with ambient air. The study found that even room temperature exposure can trigger these reactions, leading to water-repelling properties.
Researchers have developed a new method using ultrasound to measure fluid in the lungs, which could help diagnose scarring and fibrosis. The technique allows for quantitative information on lung fluid levels, potentially tracking treatment progress more effectively.
Researchers from the University of Warwick have developed a new theory explaining how raindrops and spilt coffee splashes occur. A minuscule layer of air trapped between the liquid and surface can prevent the liquid from spreading, leading to a splash.
A study published in Scientific Reports found that water temperatures generally remain low despite rising air temperatures, helping to curb greenhouse gas emissions. The research, conducted by Uppsala University, involved nearly 3,500 schoolchildren taking measurements and samples from lakes across Sweden.
A new study suggests that liquid hydrogen may be a realistic option for future air travel, offering several advantages over traditional fuels. Liquid hydrogen is very light and has a lower boiling point, reducing the risk of accidents and making it easier to handle.
Researchers from Lomonosov Moscow State University have found that electrochemical oxygen reduction in lithium-air batteries is plagued by side reactions, limiting recharge cycles. The team identified defect sites in carbon electrodes as a key factor in the reaction's progression.