Search results for aerosolization

Ecology May 25, 2025

The surprising climate power of penguin poo

Antarctica's icy wilderness is warming rapidly under the weight of human-driven climate change, yet a new study points to an unlikely ally in the fight to keep the continent cool: penguin poo.

Plants & Animals May 22, 2025

Penguin guano may help reduce effects of climate change in Antarctica

Ammonia released from penguin guano may help to reduce the effects of climate change in Antarctica by contributing to increased cloud formation, according to an analysis published in Communications Earth & Environment. The ...

Environment May 21, 2025

Los Angeles smog: Higher-than-expected ammonium nitrate levels found

The Los Angeles region has some of the most polluted air in the United States, failing to meet standards set by the Environmental Protection Agency for the last decade. Now, Caltech researchers have quantified the levels ...

Earth Sciences May 21, 2025

Volcanic eruptions trigger ice formation in clouds

When a volcano erupts, it can spew ash high into the atmosphere—inserting aerosols right where clouds typically form. How exactly these aerosols impact cloud formation has long been a mystery to atmospheric scientists.

Earth Sciences May 15, 2025

Sea expedition helps unravel why mercury levels are so high in the Arctic

Mercury (Hg) is a naturally occurring element found across the globe, yet it becomes highly toxic as it accumulates up the food chain. Pollution from human activities has pumped increasing amounts of mercury into the atmosphere, ...

Nanophysics Apr 30, 2025

Scientists develop innovative aerosol system to build asymmetric superstructures

A research team has developed a novel aerosol-based emulsion system that enables the self-assembly of asymmetric nanostructures—something long considered a major challenge in materials science. The team includes researchers ...

Environment Apr 28, 2025

Eastern Europe's air has become cleaner: Long-term study from Saxony shows decreasing air pollution

Air pollution with particulate matter smaller than 1 micrometer has fallen by an average of 5% annually in rural Saxony. However, the decreases were particularly marked in air masses coming from Eastern Europe: PM1 concentrations ...

Earth Sciences Apr 28, 2025

NASA 3D wind-measuring laser aims to improve forecasts from air, space

Since last fall, NASA scientists have flown an advanced 3D Doppler wind lidar instrument across the United States to collect nearly 100 hours of data—including a flight through a hurricane. The goal? To demonstrate the unique ...

Earth Sciences Apr 28, 2025

Geoengineering technique could cool planet using existing aircraft

A technique to cool the planet, in which particles are added to the atmosphere to reflect sunlight, would not require developing special aircraft but could be achieved using existing large planes, according to a new modeling ...

Environment Apr 17, 2025

Study clarifies potential drivers of toxic elements along elevational gradients in terrestrial ecosystems

The accumulation of toxic elements poses a significant threat to terrestrial ecosystems, with the patterns and influencing factors of this accumulation being complex. However, elevational patterns of toxic elements in montane ...

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