Researchers have developed a low-cost, durable, do-it-yourself (DIY) air cleaner that works as well as more expensive HEPA ...

When wildfires threaten people's communities, human health is impacted far beyond the inferno. Residual smoke distributes in ...

Tests conducted over 2,500 hours indicated that the CR Box worked as well as or even better than some of the most expensive ...

Low-cost, DIY air purifiers are proving to be just as effective as expensive commercial units at protecting indoor spaces ...

This U.S. police officer says groups like the one he infiltrated, The Base, present a new ideology within the far-right ...