Exposure to particulate matter leads to human suffering and high costs. But what exactly is particulate matter? What makes it so dangerous, and what can you do about it? Ties Korstanje, programme ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

We visualized the damaging, tiny particles that wreak havoc on human health. From the Bay Area to New Delhi, see how the world’s worst pollution compares with your local air. The floating particles on ...

The National Academies is convening an expert committee to consider the state-of the-science on the health risks of exposure to fine particulate matter (PM2.5) indoors and engineering solutions and ...

The light obscuration method, shown here, is automated and may be the easiest particle-counting method. Particulates that may be present on intravenous medical devices such as guidewires, catheters, ...

One way car manufacturers can reduce their vehicles' harmful emissions is through particulate matter filters. Particulate matter refers to the most common and harmful mixture of pollutant chemicals ...