Children exhale significantly fewer potentially infectious particles than adults -- at least this is true for the small respiratory droplets that are predominantly produced in the lungs. Children ...

The fields of virology, microbiology, nanoparticles, and extracellular vesicles (EVs) have grown tremendously over the past few years. Viruses, which range in size from 17 nm to ~1.5 µm, small ...

It is commonly assumed that tiny particles just go with the flow as they make their way through soil, biological tissue, and other complex materials. But a team of Yale researchers led by Professor ...

University of Cambridge provides funding as a member of The Conversation UK. The London Underground is key to the functioning of England’s capital city. Roughly 2 million people use it each day. But ...

Aerosols refer to fine solid or liquid particles suspended in the atmosphere, where they reside typically for days to weeks before falling to the ground or being washed out by rain or snow. They arise ...

In a twist on conventional wisdom, researchers have discovered that in ocean-like fluids with changing density, tiny porous particles can sink faster than larger ones, thanks to how they absorb salt.