SAN DIEGO — Thinking outside the box, students took COVID safety into their own hands. "It’s a box fan, and then you make a cube out of these filters that you can buy at any hardware store, super ...

Correction: (March 25, 2025) In the thirteenth paragraph, “within 3 to 4 feet (91 to 120 centimeters)” should be “within 8 feet (244 centimeters).” An edit has been made in the press release to ...

One afternoon, a dozen Arizona State University students gathered to spend the morning cutting cardboard, taping fans, and assembling filters in an effort to build 125 portable air purifiers for local ...

Covid is not going away for the foreseeable future. Vaccination, rapid tests and appropriate masking are important ways to protect against getting sick and spreading the virus. So is better indoor air ...

A cheap, do-it-yourself air purifier is powerful enough to effectively protect a home from free-floating flu and COVID-19 viruses, according to test results from the U.S. Environmental Protection ...

When wildfires threaten people's communities, human health is impacted far beyond the inferno. Residual smoke distributes in the breeze, infiltrating homes, schools and offices. To help people protect ...

Richard Corsi demonstrates the airflow of a low-cost, DIY air cleaner that can remove indoor pollutants such as smoke particles and respiratory particles. It may also reduce the spread of airborne ...