School teachers unsure of best way to ventilate rooms in cold weather
As school absences soar in England because of covid-19 – and classroom mask-wearing guidelines are lifted – many teachers aren't sure how be..
https://www.newscientist.com/article/2305864-school-teachers-unsure-of-best-way-to-ventilate-rooms-in-cold-weather/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
https://www.newscientist.com/article/2305864-school-teachers-unsure-of-best-way-to-ventilate-rooms-in-cold-weather/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
