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.

One of the most simple-yet-crucial maintenance jobs is replacing your car's air filter. So, how do you do it?

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 ...