TORONTO — This fall, teachers and parents have been sharing photos on social media of do-it-yourself air purifiers that they’ve made for classrooms to help protect kids from COVID-19 transmission. But ...

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 ...

ASU students are helping build air filters for K-12 classrooms across the Valley to combat COVID-19 transmission. The filters, known as Corsi-Rosenthal boxes, are DIY air filtration boxes made simply ...

Life in many places 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 away ...

Social media users on the West Coast who are accustomed to wildfires are showing East Coast residents how to build Corsi-Rosenthal air purifiers as Canada’s wildfire smoke travels south. DIY air ...

RED ROCK, ARIZONA ― Dozens of students huddle around sheets of cardboard in the school library, as a teacher occasionally shouts out directions. Happy chatter fills the room, as kids use ...

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 ...

With wildfire smoke blanketing much of the upper U.S., Americans searching for a way to avoid the toxic air can turn to a DIY air purifier with Cowtown roots. Canadian wildfires have brought three ...

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 ...

NEW YORK - Social media users are sharing a surprisingly effective way to protect yourself indoors from the toxic wildfire smoke blanketing much of the East Coast: a box fan, four air filters and a ...

NEW YORK — Social media users are sharing a surprisingly effective way to protect yourself indoors from the toxic wildfire smoke blanketing much of the East Coast: a box fan, four air filters and a ...