Greece’s disappearing whistled language (video-photos)
"Sfyria" is effectively a whistled version of spoken Greek
Space travel could create language unintelligible to people on Earth
A new study looks at what would happen to human language on a long journey to other star systems
BBC: The last speakers of Ancient Sparta (audio)
The iconic city-state may have fallen nearly 2.400 years ago, but today, 2.000 people still speak the language of these ancient warriors