People clap to the rhythm of their own internal biological clocks, it has been revealed.
Presenter Nick Baker has been investigating the meanings, motivations, sounds and symbolism of clapping hands together.
Professor Colwyn Trevarthen from the University of Edinburgh told Nick Baker that clapping speed can express chronobiological rhythms developed in the womb.
Join in with a simple experiment to demonstrate the rhythm of life.
Put Your Hands Together
will be broadcast on Thursday 17 June at 1130 BST on BBC Radio 4 or listen again via the