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 ...

A Corsi-Rosenthal box costs about $100 to make, requiring only four air filters, a box fan and some cardboard and duct tape. Michael Hogue Life in North Texas has largely returned to a pre-pandemic ...

DALLAS -- Life in the U.S. has largely returned to a pre-pandemic normal. People are tired of masking and remaining socially distant, even though contagious COVID-19 variants show no signs of going ...

DALLAS — Proper air ventilation and filtration are two important tools in the fight against airborne viruses. Designed during the COVID-19 pandemic, a DIY air purifier known as a Corsi-Rosenthal box ...