The process of selecting a new pope has remained largely unchanged for the past 800 years. Known as the Papal Conclave, this system will once again be used when the time comes to choose Pope Francis' ...

Whilst drivers are more likely to notice smoke coming from the exhaust when they start their car in cold weather, the AA warned that white smoke could be a sign that there is a serious fault with ...

And either white or black smoke signals from the Sistine Chapel are used to signify different stages in this super-secret election process. But what does each colour of the Sistine Chapel's smoke ...