Cross ventilation, opening windows on opposite sides of the building to improve airflow and regulate indoor temperature; Stack ventilation, using temperature differences to drive airflow, ...

Cross ventilation, opening windows on opposite sides of the building to improve airflow and regulate indoor temperature; Stack ventilation, using temperature differences to drive airflow, with warm ...

"Ventilation is the way forward," says infectious disease doctor Abraar Karan of Stanford. Here's how to get better air flow at home, in schools and offices — even in gyms — to stave off COVID.