French has long been the language of education in Haiti, despite the fact that few Haitians actually speak it. But while their native tongue, Creole, was once disdained as merely broken French, there's now a movement to make it the centerpiece of teaching on the island.
Fifty years ago, kids caught speaking French in Maine schools might be punished. Today, schools are teaching it to help young people regain their heritage, in a state where 20 percent have a Franco-American background.
Because the word's origins are murky, it's difficult to know just how insulting calling someone a "coonass" used to be. Today, some Cajuns view the word as an ethnic slur, while others have embraced it as a badge of honor.
North Koreans may speak Korean, but not the kind they have to learn if they defect to the South. And even with a new smartphone app to guide them through South Korea's unfamiliar dialect, it's a tough and unnerving challenge.
Martin Luther is best known as the instigator of the Protestant Reformation, but his Bible translations used a form of conversational language that Germans had never before seen in print. It marked the beginning of modern German, which had never before been a unified language.
The man Lady Gaga called the "mayor of Iceland" is obsessed with language: the language of professional politicians, the language of satire and the restrictive rules in Iceland that prevent him from officially changing his name.
Mexican author Cristina Rivera Garza used to publish her creative work only in Spanish. But after a quarter century living in the US, she says writing in both Spanish and English brings tremendous richness to her experience, and lets her engage a whole new audience in conversation.