Chaos erupted in Serbia’s Parliament after Opposition lawmakers hurled smoke grenades inside the House on Tuesday. Videos of ...

"Smoke is often a nuisance to fireworks makers like me as it gets in the way during daylight displays or on a night with no up-draft. And while you can do some incredible things with coloured smoke as ...

In general, once a person leaves an area of heavy pollution, their mucus and phlegm return to a more regular color. When a person breathes in smoke, pollutants and other small particles in the ...