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Search results for aerosolization

Environment Mar 6, 2025

Nitrogen's dominant role in global organic aerosol absorption revealed

A collaborative research team has introduced a nitrogen-centric framework that explains the light-absorbing effects of atmospheric organic aerosols. Published in Science, this study reveals that nitrogen-containing compounds ...

Earth Sciences Mar 5, 2025

The Antarctic ozone hole is healing, thanks to global reduction of CFCs

A new MIT-led study confirms that the Antarctic ozone layer is healing, as a direct result of global efforts to reduce ozone-depleting substances.

Biochemistry Mar 3, 2025

Portable biosensor can detect airborne bird flu in under five minutes

As highly pathogenic H5N1 avian influenza continues to spread in the U.S., posing serious threats to dairy and poultry farms, both farmers and public health experts need better ways to monitor for infections, in real time, ...

Environment Feb 27, 2025

Aged biomass emissions could pose greater risk to lungs than fresh wildfire smoke

Biomass burning—whether from wildfires, wood stoves or agricultural fires—sends massive amounts of tiny particles and chemicals into the air. These emissions are not just an environmental issue; they pose serious health ...

Nanomaterials Feb 27, 2025

Closing the gaps—MXene-coated air filters show enhanced performance and reusability

Despite improvements to air filtration technology in the aftermath of the COVID-19 pandemic, some of the smallest particles—those of automobile and factory emissions—can still make their way through less efficient, but ...

Analytical Chemistry Feb 27, 2025

Are refrigerants safe? The lingering questions about the chemicals keeping us cool

A team of scientists at UNSW has discovered that some of the most important new refrigerants break down, in part, into persistent greenhouse gas pollutants, including compounds that have been banned internationally.

Environment Feb 27, 2025

Proposed 'weather control' bans surge across US states

Fake stories that atmospheric experiments are triggering natural disasters have led to US states pushing blanket bans on weather modification, which experts say may jeopardize current local scientific programs and hinder ...

Earth Sciences Feb 25, 2025

Ice cores reveal multiple major volcanic eruptions in the 13th century

Deep beneath the barren landscape of Antarctica lies secrets to the climatic history of the world. Frozen in the ice are chemical markers which, when studied by scientists, can help reveal a historical record of key climate ...

Environment Feb 24, 2025

L.A. fires trigger temporary spike in airborne lead levels

As the Los Angeles fires quickly spread starting Jan. 7, with wind gusts approaching 100 mph, scientists observed a 110-fold rise in airborne lead levels. This spike had receded by Jan. 11.

Analytical Chemistry Feb 21, 2025

Catalyst system enhances COâ‚‚ conversion efficiency for clean energy

As the severity of climate change and carbon emissions becomes a global concern, technologies to convert carbon dioxide (CO2) into resources such as chemical fuels and compounds are urgently needed. Dr. Dahee Park's research ...

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