Tropical Storm Irina is showing signs of weakening due to the presence of dry air and cool sea surface temperatures. The storm's cloud top temperatures indicate a significant reduction in strength compared to its previous state, with the southern quadrant experiencing colder temperatures.
Research by Penn State found that breathing cold air during exercise causes uneven oxygen distribution throughout the heart, particularly in those with coronary artery disease. Healthy individuals can redistribute blood flow, but those with heart problems may not be able to compensate, making activities like shoveling snow dangerous.
Forest fire smoke exposure poses significant respiratory health risks, particularly for those with pre-existing heart and lung conditions. Effective strategies to mitigate these impacts include establishing clean air shelters and using HEPA-filter air cleaners or air conditioners in homes.
New York University researchers have discovered that top-heavy structures can hover stably in the air due to aerodynamic forces. The findings suggest a new approach to designing stable flapping-wing aircraft and robots.
Researchers found that a decrease in summer Arctic sea ice cover leads to increased temperatures in autumn and winter, causing more stable atmospheric conditions that allow cold Arctic air to reach mid-latitudes. This results in colder winters with more snow in Central Europe.
Researchers at Boston University have developed a unique material and drug delivery mechanism that can slow the release of anti-cancer drugs over months. The system uses a biocompatible, porous polymer material with air pockets to prevent immediate release in case of water flooding.
Scientists have discovered that stimulating brain hormones may help prevent a deadly second wave of death in patients with pneumonia. The research found that an agonist mimics the action of growth hormone-releasing hormone, which protects the air sacs and capillaries from fluid and cell damage.
Researchers are developing new flight system programming that combines data analysis with aviation know-how to create safer skies. The project aims to improve the accuracy and timeliness of flight data, reducing the risk of accidents caused by outdated or incorrect information.
A recent study by Michael McClean and colleagues reveals a strong link between PFC levels in office air and blood concentrations, suggesting offices as an important exposure environment. The findings also indicate that workers in newly renovated buildings receive higher doses of PFCs.
A novel technology called Bio.Diaspora tracks air travel patterns to anticipate global disease spread. This approach could benefit hosts of future mass gatherings by identifying infectious disease outbreaks and prioritizing public health measures.
The Air Force Office of Scientific Research awarded approximately $18 million in grants to 48 young scientists and engineers with exceptional research abilities. The recipients will conduct basic research over a 3-5 year period, fostering creative research and early career development.
Cyclone Alenga's maximum sustained winds reached 90 knots on Dec. 8, making it a more powerful storm. The storm is expected to weaken due to wind shear, dry air, and cooler sea surface temperatures.
A team of researchers has discovered that a thin layer of air trapped between the drop and the surface plays a crucial role in splashing. The study reveals a transition regime between spreading and splashing, observed by changing impact velocity or ambient pressure.
Researchers at UTD have successfully produced thermally modulated transparent carbon nanotube sheets, creating a 'mirage effect' similar to an 'invisibility cloak'. This breakthrough could lead to applications such as photo-deflectors and switchable transparency materials.
Researchers created a multilayered silicon structure with air-trapping features that improve water repellency, also absorbing light in the infrared range. This biologically-inspired surface has potential uses in electro-optical devices and chemical sensors.
Researchers at Ohio State University developed a high-tech waterproof coating inspired by the unique texture of the Brazilian fern Salvinia molesta. The coating performs similarly to the plant's hairy surface, which traps air and provides stability in water.
New studies found that clean indoor air laws are associated with increased voluntary smokefree policies in the home, particularly in households with smokers and children. The laws have a significant impact on protecting kids from secondhand smoke exposure, with children up to twice as likely to take up smoking themselves.
Researchers found that fragrant essential oils can produce small, ultrafine byproducts called secondary organic aerosols (SOAs), causing eye and airway irritation. The study also revealed that spa layout and ventilation significantly affect indoor air pollutant levels during aromatherapy
Researchers at the University of Washington and Kettering University have developed a tool to optimize grocery store display case designs, reducing energy consumption by up to 15%. The team tested various air curtain speeds, angles, and factors to minimize warm air infiltration into chilled compartments.
Researchers found that nasal congestion is linked to sensory feedback from airflow, affecting temperature and humidity. Studies suggest using optimal conditions to restore nasal airflow may help alleviate congestion.
The Precourt Institute and TomKat Center are funding eight faculty seed grants for innovative renewable energy technologies, including lithium-air batteries and solar thermal energy systems. Researchers will explore ways to improve efficiency, reduce costs, and make large-scale solar power more competitive.
The Autism Speaks Autism Treatment Network has received a $12 million federal grant to continue its work in supporting clinical research, developing best-practice guidelines, and providing tool kits for families and physicians. The funding will also support the development of additional research within the ATN, including clinical trial...
Tropical Storm Roke is showing signs of intensification with strong convection and cold cloud tops, posing a threat to Kadena Air Base. Meteorologists expect the storm to strengthen as it approaches the base, bringing tropical storm conditions from Friday to Sunday.
A large-scale meteorological event, an abnormal Rossby wave, sparked extreme heat in Russia and unusual downstream wind patterns that shifted rainfall in the Indian monsoon region, fueling heavy flooding in Pakistan. The study analyzed satellite data to show the connection between the two events.
A new CU-Boulder study has found that dog feces may be a significant source of airborne bacteria in urban areas, particularly during the winter months. The research suggests that the dominant source of airborne bacteria in Cleveland and Detroit's wintertime air is actually from dog fecal material.
The Sandia Cooler technology significantly reduces the energy needed to cool processor chips in data centers and large-scale computing environments. It achieves this by efficiently transferring heat across a narrow air gap, minimizing boundary layer thickness and fouling problems.
Scientists with the U.S. Department of Agriculture (USDA) are identifying factors that influence pesticide levels in the Chesapeake Bay airshed. The study found that nearly all air samples contained lindane and chlordane products, with highest concentrations at dieldrin and DDE.
Researchers found WWII bombing raids in Europe impacted the English climate by suppressing morning temperature increases in heavily flown areas. The study provides a unique opportunity to assess the effect of modern aviation on climate.
System 98A has intensified due to warm waters of the Arabian Sea and reduced convection inhibiting effects, with cold cloud tops indicating heavy rainmaking capabilities. The system is forecast to drift northwest and may strengthen into a tropical storm within 24 hours.
Researchers discovered isocyanic acid, a chemical linked to cataracts and inflammation, in smoke-related environments. The findings highlight the need for more extensive measurement of HNCO in tobacco smoke and indoor biomass burning.
A team of Rice University bioengineering students has developed a portable device that controls air around the eyes to help doctors diagnose dry eye. The ClimaTears device uses modified goggles with embedded data sensors to monitor temperature, humidity, and air flow, providing clues about treatment options.
A recent surge in reports of air traffic controllers falling asleep on the job highlights the need for drastic change to improve safety. Researchers suggest that changes such as extended breaks between shifts and mandatory rest periods could mitigate the problem.
Researchers at Caltech found that warm ocean waters off the eastern coasts of these continents heat the air above it, forming atmospheric waves that draw in cold air from the northern polar region. This process explains why the northeastern United States and eastern Canada experience colder winters than similar latitudes in Europe.
A recent Indiana University study found that a smoke-free air law implemented in an Indiana community did not harm business at the local off-track betting facility. The research suggests there is no economic reason to exclude OTB facilities from smoke-free legislation, contradicting previous mixed findings in the gaming industry.
Researchers at NIST and Virginia Tech developed a new reference material for volatile organic compounds (VOCs), which showed more accurate measurement results than previous methods. The tool aims to reduce inter-laboratory variability in VOC emissions testing, leading to improved indoor air quality and occupant health.
The University of Washington is developing design tools and using commercial nanofabrication tools to create inexpensive next-generation silicon-based electro-optical chips. The Air Force Office of Scientific Research is funding this effort to improve data communications, lasers, and detectors.
Researchers at Princeton University developed an air laser that can detect hidden bombs, pollutants, and greenhouse gases from afar. The new technique uses an ultraviolet laser pulse to generate an entirely new beam of light that interacts with molecules in the air, providing a powerful tool for remote measurements.
The Air Force Office of Scientific Research has selected winners for the Nanosat-6 Flight Competition Review, with Michigan Technological University taking first place. The winning teams will receive assistance to become flight-ready, and one satellite will be launched as a secondary payload on an STP launch.
Researchers have re-examined the assumption that organic molecules in the air evaporate quickly, discovering that they actually evaporate much slower than expected. This finding could significantly impact climate and air quality models, suggesting that there may be no missing source of atmospheric organics.
Researchers analyzed the air traffic controller's schedule and found he was performing at 71% of his effectiveness due to fatigue. The study suggests using mathematical models to predict fatigue and optimize schedules, leading to reduced risk of accidents in various 24/7 operations.
Researchers at Caltech, with support from the Air Force Office of Scientific Research, have found that flies follow horizontal edges to regulate altitude, unlike earlier studies suggesting they measure motion beneath them. This edge-following behavior is similar to their steering mechanism and relies heavily on vision.
Researchers at Georgia Tech propose using flexible wings driven by a simple sinusoidal flapping motion to mimic insect wing strokes. The study found that such wings can generate lift comparable to insects with more complex stroke regimes.
A new report reveals sub-standard transportation practices for donor organs led to fatal air crashes and emphasizes the need for improved safety measures. The study suggests implementing measures like quality aircraft, two-pilot crews, and aviation safety consultants to improve safety in organ procurement travel.
The Air Force Office of Scientific Research has awarded approximately $16.5 million in grants to 43 scientists and engineers who submitted winning research proposals through the Young Investigator Research Program. The selected recipients will conduct basic research in various areas of science and engineering.
A new study finds that car travel has a higher long-term impact on global warming than plane travel, with a fourfold increase in temperature rise over time. In contrast, air travel has a more significant short-term effect due to its high-altitude emissions.
The James Webb Space Telescope's sunshield has successfully completed launch depressurization tests, validating its flight design. The tests, conducted in vacuum chambers, simulated the rapid change in air pressure during launch and proved that the stowed sunshield will retain its shape and allow trapped air to escape safely.
Researchers developed a novel water method to reduce discomfort during unsedated colonoscopy, enhancing cecal intubation and patient willingness to repeat procedures. The study showed significant improvements in these outcomes compared to traditional air insufflation methods.
Tropical Depression Lisa is expected to strengthen into a tropical storm due to increased convection, but faces challenges from dry air and wind shear. The National Hurricane Center forecasts a 'triple header' threat for Lisa after Friday.
Researchers led by Dr. Robert Wood at Harvard University are developing micro air vehicles (MAVs) to monitor hazardous environments like collapsed structures and chemical spills. The goal is to create agile devices that can perform tasks not achieved before using robotic devices on the scale of insects.
Household dust contains up to 1000 microbial species, including both beneficial and harmful bacteria. Studying these microorganisms is crucial for maintaining indoor air quality and preventing health issues such as allergies and asthma.
Tropical Depression Nine strengthened into Tropical Storm Gaston before weakening back into a depression due to dry and stable air. The storm's compact circulation showed high, cold thunderstorm cloud tops reaching -63 degrees Fahrenheit.
NASA's Terra satellite captured Tropical Storm Lionrock, Tropical Storm Namtheun, and Typhoon Kompasu in one image. The two storms are expected to merge, while Typhoon Kompasu is headed for a landfall in China with maximum sustained winds near 109 mph.
Researchers have discovered a new method to harness electricity from the air, using a process called hygroelectricity. This technology could provide an alternative energy source for homes and businesses, similar to solar cells, and prevent lightning strikes by draining electricity out of the air.
A groundbreaking buoy deployment has begun in the Western Pacific to better understand air-sea interactions during typhoons. The buoys will collect data on momentum, heat, and moisture exchange between the atmosphere and ocean.
A new study finds that traveling by car increases global temperatures more significantly than flying over the long term due to higher carbon dioxide emissions. In contrast, air travel has a greater adverse climate impact in the short run due to its effects on high-altitude ozone and clouds.
New guidelines conclude that air travel does not pose a significant risk to cardiovascular health for those with conditions such as angina, heart attack, or abnormal heart rhythms. Passengers should take their medication and follow in-flight oxygen and airport assistance to minimize risks.
A study by Empa found that car air conditioning systems account for up to 30% of fuel consumption in hot climates, but turning off the system when the temperature drops below 18°C can save two-thirds of this extra consumption. The study also found that diesel vehicles consume less fuel with air conditioning on than petrol engines.
Researchers will collect data on aerosol particles in the Sacramento Valley from June 2-28, using airplanes, ground instruments, and weather balloons. The goal is to improve computer models simulating climate change by understanding aerosols' role in scattering and absorbing sunlight.
Scientists launch Waves, Aerosols and Gas Exchange Study (WAGES) to investigate air-sea gas exchange and its impact on climate. The two-year project uses the Royal Research Ship James Clark Ross to collect continuous measurements of carbon dioxide, sea-spray aerosol, heat, moisture, and momentum.
Global air traffic will significantly contribute to greenhouse gas emissions, doubling or tripling by 2050. The increase in emissions will be driven by the growing number of flights and the lack of improvement in fuel efficiency.