RadioLab, one of the most wonderfully produced radio shows around, has just started a new series with a fantastic edition on the psychology and neuroscience of laughter.
Tuning in to RadioLab is like listening to the enthusiastic daydreams of some slightly stoned but fantastically well informed scientists.
This edition looks at laughter, the behaviour that Aristotle thought was one of the few that were uniquely human.
Most interesting, the programme looks at the social uses of laughter and how it signals dominance and superiority, and how we use it to make others feel safe. But there much more than that, including laughing rats and laughing hysteria.
Another great edition and a pleasure to listen to.
Link to RadioLab on laughter (with streamed and mp3 audio).