These Masks Protect Against Particulates From Wildfire Smoke

Toby Lewsadder stepped outside an Ace Hardware store wearing a simple one-strap dust mask. He knew it wasn’t the right defense against the wildfire smoke lingering in the air, but it was all he could find.

Nov 15, 2018 Samantha Young & Ana B. Ibarra

Seal or No Seal

Clean carpets, proper ventilation and special filters may help keep allergens out of the workplace. Another strategy entails sealing cracks in a building to make sure unwanted particles can’t sneak in.

Apr 24, 2018 Russell Nichols