Does a teapot secretly hold the laws of physics? And what do soap, sugar and mint have to do with the perfect cup of tea?

Whilst in Morocco, Professor Hannah Fry takes Michael Stevens (VSauce) into the surprising science of mint tea, from foamy bubbles that trap desert sand to the elegant S-shaped spout that appears to solve some of the hardest problems in fluid dynamics.

Plus, your questions, including whether rising sea levels could change how your eggs boil, and just how much of Earth humans have actually touched.

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Video Producer: Adam Thornton + Oli Oakley + Jack Meek

Video & Social: Bex Tyrrell
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The Elegant Laminar Flow Of Moroccan Tea