Bill Bryson looks at the head and the reason for our facial expressions.

This is a fascinating, witty and often surprising journey around the human body.

The Body: A Guide for Occupants confirms Bryson as a true polymath. In it, he answers questions such as how much would it cost to make a human and why our faces have evolved their peculiar shape, as well as exploring the mysteries that continue to elude scientists today.

Read by Bill Bryson.

Abridged by Katrin Williams.

Producer: Ciaran Bermingham

First broadcast on BBC Radio 4 in October 2019. Show less