Add Yahoo as a preferred source to see more of our stories on Google. More than two years into the COVID-19 pandemic, Omicron and its subvariants have emerged as the country’s most contagious, ...

Add Yahoo as a preferred source to see more of our stories on Google. The Covid-19 Omicron variant is currently surging across the country, with case numbers reaching an all-time high and many ...

A new study examines the efficacy of particle filtration by woven fabric, which consists of fibers twisted together into yarns. There are, therefore, two lengthscales: the diameters of the fiber and ...

As the UK lifts the legal requirement for face masks in most indoor public areas in England, new research from the University of Surrey and the University of Bristol has shown that FFP2 (filtering ...

With the Environmental Protection Agency issuing air quality warnings for several states over the smoke from the Canadian wildfires, it’s important to understand and obtain the correct protection. One ...

Results of a new study by environmental health scientists at the University of Massachusetts Amherst suggest that inexpensive cloth masks worn by people who hope to reduce their exposure to air ...