It’s almost impossible to imagine a world without words. But this hour, we try to do just that. We meet a woman who taught a 27-year-old...

One morning, neurologist Jill Bolte Taylor woke up with a headache. A blood vessel then burst inside her left hemisphere, and silenced...

In the late 1970s, a new language was born. And Ann Senghas, Associate Professor of Psychology at Barnard, has spent the last 30 years...

Nearly half of the 7,000 languages spoken in the world are expected to vanish in the next 100 years. One of them is Athabaskan, a...