As tobacco use is falling and control measures have reached a critical mass of people, a phase-out of commercial tobacco use ...

Researchers working to prevent deaths from the disease, which has killed over 75,000 miners, received layoff notices.

Vaping rates among city teens remain consistently high, and have even worsened among Black students, despite years of ...

For white smoke, a compound of the chemicals potassium chlorate, lactose, and rosin (also known as Greek pitch) is used, while potassium perchlorate, anthracene, and sulfur are used for the black ...

What black and white smoke means After the cardinals' votes are counted, the paper ballots are burned in a stove in the Sistine Chapel. Black smoke emerging from the chimney means the world's 1.4 ...

The smoke is created by burning the ballots, and originally just meant that no pope had been elected. It was only in the conclave of 1914, which elected Benedict XV, that different smoke colors ...

Louisiana Creole expert Jari Honora shared his genealogical research on 69-year-old Chicago native Robert Prevost shortly after white smoke rose in St. Peter's Square.

In the afternoon, smoke may appear around 1 p.m. Eastern, 7 p.m. Vatican time if no decision is made. If a pope is elected on the first afternoon ballot, look for white smoke shortly after 11:30 a ...

Last night, however, there was no black smoke until 9:01 p.m.—more than an hour later than the first smoke signal at the 2013 conclave. Times today may or may not be similarly pushed back.

At the Vatican, black smoke rose from a chimney at the Sistine Chapel earlier today as cardinals convened for a second day of secretive conclave deliberations to select the new pope.

If black smoke comes out of the chimney, it signifies that no candidate has yet received the required two-thirds majority vote. The black smoke is produced using a mixture of potassium perchlorate, ...

It wasn’t clear whether grey smoke was closer to black or white, for example. By the 1970s, the straw method had been abandoned in favour of more controllable chemical mixtures.