Americans are abandoning their masks. They’re done with physical distancing. And, let’s face it, some people are just never going to get vaccinated. Yet a lot can still be done to prevent covid ...

The study looked at results in an elevator, a supermarket and a classroom. A new study at the University of Minnesota College of Science and Engineering showed ventilation systems can change the ...

Q: This winter, my family and I have been spending a lot of time bundled up indoors. Is breathing all this indoor air good for us? A: We spend most of our lives indoors. Whether at work, school, ...

Passengers on planes, trains and other public transportation won’t be required to wear masks, at least for now, after a federal judge in Florida voided a national mandate Monday. Closer look: Are ...

For the astute property investor, every element of a building contributes to its overall value, risk profile, and appeal. While aspects like location, structural integrity, and aesthetic finish are ...

Weekend track work returns to several Metro lines after a brief break to accommodate crowds from the Cherry Blossom Festival. (WTOP/Amanda Iacone) Four years after Carol Glover died and dozens were ...