When speakers of different languages meet, their words, sounds and even grammatical structures mingle in surprising ways. Ketchup, for example, may be an American staple today, but its name entered ...

LAST February, amid the fjords of southern Chile, an elderly woman died – and a language fell silent. Cristina CalderÓn, a much-loved 93-year-old, was the last known native speaker of Yaghan, which ...