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, ...

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 ...

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 ...

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 ...