Aug. 18 (UPI) --All respiratory viruses are airborne, including influenza and the new coronavirus that causes COVID-19-- but the how remains a point of contention among scientists. While most ...

Dust, made of particles like skin cells and dander, often seems to be never-ending. But there's an easy way to reduce the ...

Levitation of moon dust at lunar sunrise and sunset is surely partly down to the pyroelectric effect, which induces an electrostatic charge on particles when warmed or cooled that then causes ...