Scientists Tested a DIY Air Cleaner – And It Beat Expensive Filters
Low-cost, DIY air purifiers are proving to be just as effective as expensive commercial units at protecting indoor spaces ...
WebMD27d
Surface Cleaning and COVID-19: What You Should Know
The study was small and included 10 participants with COVID who coughed on steel, cardboard, plastic, and their hands. None of the real-life samples showed infected cells from the COVID virus at ...