As a team of investigators led by the FBI begins deciphering the bombs that killed three people and wounded 150 more in Boston this week, a key clue is already in plain sight on countless videos taken ...

Colored smoke is increasingly employed as an element of spectacle in a broad spectrum of public events. However, the chemicals used for this purpose give rise to toxic by-products. LMU chemists have ...

ROME, Italy — When a new pope is needed, the College of Cardinals gather at the Vatican to vote and colored smoke flows out of the Sistine Chapel’s chimney depending on the result — but what does it ...

The red smoke of a flare on a roadway warns motorists to be cautious, but the anthraquinone dyes currently used to produce this smoke are thought to be harmful to human health. Now, researchers ...

To observers of the papal conclave, one part of the process will probably stand out as the most visible and exciting. Today, all 115 cardinals will isolate themselves from the rest of the world, their ...

As the papal conclave continues, onlookers from around the world will watch for smoke in Vatican City, eager for the first update on who will be the next leader of the Catholic Church. On the morning ...

Pyrotechnics are fun, and, with the proper precautions taken, safe enough to play with at home (usually). While it’s typical to purchase fireworks and smoke devices off the shelf, it’s actually ...