Special nurseries are helping the Sámi people in Finland to bring their almost-lost language back from the brink of extinction.
From Regency-era "fan flirting" to online dating, we decipher the timeless looks, signs and gifts that signal secret love.
More than a century after colonisation, the Ainu language almost vanished. Now machines are listening to hours of old recordings and learning to give it a new voice.
You say Groundhog Day, I say Grundsaudaag: how German and Swiss settlers in Pennsylvania created a new language – and a much-loved American holiday.
Up to 50% of twins develop their own communication pattern with one another. Most lose it over time, but for the Youlden twins it has become a normal way of communicating.
Around the world, people of Jamaican heritage are starting to reconnect with the island's powerful language – and its complex history.
How do you help children become fluent in two or more languages, even if you don't speak other languages yourself?
North Sami, a language spoken in the Arctic, has more than 300 words for snow and a special word for "frightened reindeer". Can it survive in a warmer world?
Isolated for six months one winter, a group of scientists changed how they spoke.
