Social media users are sharing a surprisingly effective way to protect yourself indoors from the toxic wildfire smoke: a box fan, four air filters and a whole lot of duct tape.

Creating your own AR face filter is a lot easier than you think.

If air purifiers are sold out or out of your budget, a simple air filter taped to a box fan can filter harmful particulate matter and keep it out of your lungs and bloodstream. Here’s what you ...

Converting a box fan to a cheap, effective air purifier is easier than you might think. Here's what you will need, how to do it, and what mistakes to avoid.

What is an air filter? First, let’s talk about this mysterious air filter. If your home has forced-air heating, you have a furnace. Inside the furnace is a filter that air passe ...

A new report finds almost 50% of tap water contains PFAS. Here’s what you can do to reduce it from your drinking supply.

A new study by researchers from the University of Chicago and the French National Centre for Scientific Research shows how organisms filter information from their environment differently for a wide ...