How Do They Do It?

3:00 PM to 3:30 PM

Thursday 29 January

Season 16 Episode 17 of 20

Mining million tonnes of fertiliser from below the sea. Plus, a look at how to hand print millions of colourful clothes using the ancient art of batik

How Do They Do It? airs on Discovery Channel HD at 3:00 PM, Thursday 29 January. (Subtitles.)

Learn more about How Do They Do It? and other education/science/factual topics on our factual page

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