Have you ever noticed that a natural conversation flows like a dance—pauses, emphases, and turns arriving just in time? A new study has discovered that this isn't just intuition; there is a biological ...

Debra Meyerson was hiking near Lake Tahoe 15 months ago when a stroke destroyed part of the left side of her brain, leaving her literally speechless. It happens to more than 150,000 Americans a year.

Michael Rosen and Laura Wright explore the tunes we sing when we are speaking - without even realising it. Sound artist John Wynne extracts the melodies to play in the studio and Sam Hellmuth explains ...