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 ...

Cancer claims more than 10 million lives every year globally. Research shows that detecting cancer early can greatly improve ...

New high-altitude measurements have revealed a hidden population of extremely small, organic-rich aerosol particles in the lower stratosphere. The findings suggest that these ultrafine aerosols, ...

Air pollution causes health problems and is attributable to some 50,000 annual deaths in the United States, but not all air pollutants pack the same punch. Scientists have tracked the scope of "PM 2.5 ...