White smoke meaning explained: Understanding papal conclave's chapel signal
Black smoke rose from the Sistine Chapel's chimney on Wednesday, signaling that the College of Cardinals had not elected a pope.
Reports & sources
Foxla
White smoke vs. black smoke: What it means for the pope (opens Foxla)Foxla's feed description
Newsweek
White smoke meaning explained: Understanding papal conclave's chapel signal (opens Newsweek)Newsweek's feed description
The Conversation US
Conclave: the chemistry behind the black and white smoke (opens The Conversation US)The Conversation US's feed description
ZME Science
Black smoke, no pope. But what's the chemistry behind the Vatican's white/black smoke? (opens ZME Science)ZME Science's feed description