Main content
The Duchenne Smile
Stephen Fry asks his guests how you can tell if someone is truly pleased to see you. They discuss the experiments made by Guillaume Duchenne which included electrocuting people's faces to produce a smile where only the mouth moves.
Duration:
This clip is from
Featured in...
![]()
Comedy Extra—In With the Flynns, Series 2, The Tandyman
Comedy videos to watch and share on the web, mobile and red button.
More clips from QI
-
![]()
Why Joe Lycett doesn't call and drive—Series V, Voyaging
Duration: 00:52
