VATICAN CITY – All eyes are on the Sistine Chapel and a chimney installed on the roof that will produce smoke signals at the selection of a pope. Steeped in Catholic tradition, smoke has been used ...

"We'll do some smoke experiments where we directly take soils that are sterilized and expose them to known quantities of smoke-produced organisms and see what happens," Kobziar says. "We'll see if ...

As U.S. wildfire seasons escalate in length and intensity, firefighters and residents in western states face mounting threats to their long-term health due to prolonged exposure to smoke. Urban air ...

The following submission has been lightly edited. No other preventable health threat in America causes as many serious illnesses as smoking, according to public health research. It is within our power ...