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Tim Harford explains the numbers and statistics in the news and in life

Tim Harford explains the numbers and statistics in the news and in life.

HOT TUB.jpg

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How much heat do you lose from your head?

07/03/2020 GMT

BBC World Service - More or Less, 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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