Billions upon billions of soot particles enter Earth's atmosphere each second, totaling about 5.8 million metric tons a year—posing a climate-warming impact previously estimated at almost one-third ...

In flight tests, a lean-burn engine cut soot about a thousandfold, but tinier exhaust particles that can seed contrails ...

Germany's national metrology institute has built a calibration facility that anchors vehicle emission particle counters to ...

A simulation chamber study finds that soot's complex refractive index depends strongly on whether Mie or RDG-FA optical ...

Carbon particles are present in many aspects of our daily lives. Soot, which consists of tiny carbon particles, is generated when energy sources such as oil or wood are not completely burned. Soot ...

Newswise — Not many people would voluntarily fly through plumes of smoke emitted from wildfires. But atmospheric scientists from the U.S. Department of Energy’s Brookhaven National Laboratory do, over ...

This article predates the current owners of Science Blog. It has not been reviewed under the current editorial process and is kept as part of the archive. (a) Turbostratic (soot) particles, 67 nm in ...

Cells taken from the lungs of people with chronic obstructive pulmonary disease (COPD) have a larger accumulation of soot-like carbon deposits compared to cells taken from people who smoke but do not ...

Faced with a warmer, smokier future, scientists work to understand the environmental and health risks of aged wildfire plumes ...