Phillip Adams' Histories of Everything: social norms

What are the origins of the handshake? When did smiling become fashionable? And are we hard-wired to laugh? In the first episode of this six part series we look at how social norms evolved through history. Guests:  Ella Al-Shamahi, author of The Handshake: a gripping history (2021) Colin Jones, author of The Smile Revolution In Eighteenth Century Paris (2014) Jonathan Silvertown, author of The Comedy of Error (2020)