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 McNeill
📆 2020-02-29 20:00 / ⌛ 00:08:58
📆 2020-02-28 19:00 / ⌛ 00:25:54
📆 2020-02-22 20:00 / ⌛ 00:08:58
📆 2020-02-15 17:00 / ⌛ 00:08:58
📆 2020-02-14 18:14 / ⌛ 00:23:18