The Vatican’s cardinals gather in conclave today to begin electing the successor to the late Pope Francis—which means the world’s attention is on a chimney attached to the Sistine Chapel. Here puffs ...

The Vatican’s age-old tradition of using smoke signals to announce the outcome of papal elections has received a modern scientific upgrade. For centuries, the faithful looked to the Sistine Chapel’s ...

Catholics around the world are eagerly waiting to find out who will succeed Pope Francis, and they’ll soon know once the Sistine Chapel releases the highly anticipated white smoke. Here’s when you ...

Potassium chlorate (KClO 3) is a strong oxidizing agent that has a wide variety of uses. It is or has been a component of explosives, fireworks, safety matches, and disinfectants. As a high school or ...