Fire smoke appears to affect the immune system on a cellular level, researchers report in the journal Nature Medicine. People exposed to smoke showed an increase in memory immune cells that provide ...

When smoke from California’s deadliest wildfire blew into downtown Sacramento last November, daylight blurred into dusk and the city’s air became among the world’s most polluted. The Camp Fire has ...

In each of the SAME runs, the aged smoke was directed to six devices: a sample collector (for electron microscopic analysis on Earth that defined the morphology of the smoke particles), a particle ...