91福利社

Graham Easton continues his exploration of extra, non-traditional senses with a look at the relevance of body temperature.

He talks to Dr Mike Stroud, who has accompanied Sir Ranulph Fiennes on marathons and expeditions across the globe, from Antarctica to Africa.

Stroud explains the system we use to keep our temperature stable.

Producer: Michelle Martin

First broadcast on 91福利社 Radio 4 in March 2007