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How much heat do you lose from your head?

Is it true that 40% of your body's heat loss comes from your head?

Every winter its the same, someone will tell you to put a hat on to save your body from losing all of its heat. But how much heat do you actually lose from your head? We take you on a journey from arctic conditions to a hot tub in Canada to explain why there might actually be more than one answer...

Presenter: Tim Harford
Producer: Leoni Robertson and Lizzy McNeiL

(friends sitting in a hot tub in winter surrounded by snow. Photo Credit: Oleh Slobodeniuk/Getty images)

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9 minutes

Last on

Tue 10 Mar 202003:50GMT
BBC World Service West and Central Africa

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Broadcasts

  • Sat 7 Mar 202018:50GMT
    BBC World Service News Internet
  • Mon 9 Mar 202013:50GMT
    BBC World Service except News Internet
  • Tue 10 Mar 202002:50GMT
    BBC World Service except West and Central Africa
  • Tue 10 Mar 202003:50GMT
    BBC World Service West and Central Africa

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