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 ...

News Home and garden These DIY air purifiers could make clean air more accessible during wildfires Sat., May 31, 2025 A Corsi-Rosenthal Box made with air filters, duct tape and a box fan can provide ...

Eric Schildge is terrified to go back to school in a few weeks. An 8th grade English teacher in Newburyport, the fear of in-person learning during a pandemic is familiar to him. He was in the ...

NEW YORK (AP) — 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 ...

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 ...

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 ...

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 ...

A study found that inexpensive, easy-to-assemble Corsi-Rosenthal boxes can help reduce exposure to indoor air pollutants. The air filters have already been shown to reduce particles carrying the ...

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 ...

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 whole lot of ...