For years, the city of Pompeii has been associated with stories of bad luck inflicted on anyone who removes anything from the site.
An Irish farmer who had been plagued by bad luck has blamed a 'curse' caused by a damaged standing stone.
A woman who blamed stolen artefacts from Pompeii for years of bad luck has returned the items to the site.
Despite being a day synonymous with bad luck, Friday the 13th seems to be safer than most other days.
Scottish scientists believe that the dinosaurs were wiped out by a series of consecutive disasters.
Researchers have investigated the alleged effectiveness of several bad luck mitigation techniques.