Calling “shotgun” when riding in a car comes from the term “shotgun messenger” which was used to refer to the guard who sat next to the Stagecoach driver. The guards would use a shotgun to keep robbers and criminals away. It made its way into society due to Hollywood’s love of Western flicks.
The only letters that don’t appear on the periodic table are J & Q.
Canadians say “sorry” so much that a law was passed in 2009 declaring that an apology can’t be used as evidence of admission to guilt.