Âé¶¹ÒùÔº

Search results for aerosolization

Environment Sep 24, 2021

Observations confirm that aerosols formed from plant-emitted compounds can make clouds brighter

Brighter clouds reduce the amount of solar radiation reaching the Earth's surface, thereby cooling the surface. Emissions of organic compounds from vegetation increase with increasing temperature, thus having the capability ...

Environment Sep 20, 2021

Long-term measurements show how the climate is changing

Twenty years of measurements are only the beginning. Long-term measurements over several decades are crucial to enable predictions of how airborne particles affect the future climate, according to Lund University researcher ...

Environment Sep 20, 2021

The unexplored region of the atmosphere that could help predict climate change

About 17 kilometers above the Earth's surface, the first layer of the atmosphere meets the second one. At a boundary called the tropopause, the troposphere ends and the stratosphere begins. Straddling this interface, for ...

Earth Sciences Sep 16, 2021

Blocking the sun to control global warming

It sounds like something out of a bad science fiction movie—artificially blocking sunlight to keep global warming from overheating the Earth. Nevertheless, a small cadre of researchers is studying the option—so that if ...

Earth Sciences Sep 15, 2021

Australian wildfires triggered massive algal blooms in Southern Ocean

Clouds of smoke and ash from wildfires that ravaged Australia in 2019 and 2020 triggered widespread algal blooms in the Southern Ocean thousands of miles downwind to the east, a new Duke University-led study by an international ...

Soft Matter Sep 14, 2021

Homemade face masks work; effectiveness varies depending on how they are made

Since the spread of virus causing COVID-19 continues, experts recommended wearing homemade facemasks when surgical or N95 masks are not available to prevent the spread of the pandemic. While such makeshift masks are more ...

Materials Science Sep 9, 2021

Reusable cloth masks hold up after a year of washing, drying

The reusable cloth masks people have been using for the past year or more may look a little worse for the wear. But new research from the University of Colorado Boulder finds that washing and drying them doesn't reduce their ...

Biotechnology Sep 8, 2021

How BASIS grew into the BioWatch system

Less than a month after 9/11, 14 Lawrence Livermore National Laboratory (LLNL) employees received calls at their homes at 1 a.m. on a Saturday morning (Oct. 6, 2001) and were asked to report to the Lab within three hours, ...

Nanomaterials Sep 7, 2021

Nanofiber face masks improve filtration efficiency, need replacing more often

Since its outbreak, the COVID-19 virus has infected more than 207.7 million people worldwide and has claimed more than 4.3 million lives, according to the World Health Organization coronavirus dashboard as of Aug. 17.

Materials Science Sep 1, 2021

Organic 2-oxocarboxylic acids provide link to formation of radicals and reactive oxygen species in atmospheric particles

When the humidity in the atmosphere is relatively high, the particles naturally present, also known as aerosol droplets, grow to play a significant role in the chemistry and climate of Earth. These particles are produced ...

page 40 from 40