Dust is many things. At its most elemental, dust is a blend of dead skin, hair, fibers from clothing and other textiles, soil, pollen, dander, insect corpses, dust mites. Dust can be a health hazard, ...

FIGURE 1. Optimus relative humidity ranges for health. March 1, 2016 The winter months are here! For those of us who live or work in in a cold climate, some form of heat is on, the windows are closed, ...

Dust carried across the Atlantic is one of the great wonders of the weather world. This is the most significant cloud so far this year. By Amy Graff Amy Graff is a reporter on The Times’s weather team ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Have you ever wondered what dust is made of? Skin cells, animal dander, pollen, and ...