How Do They Do It?

12:00 AM to 12:30 AM

Friday 31 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 Science +1 at 12:00 AM, Friday 31 January. (Subtitles.)

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Education ➝ Science ➝ Factual Topics

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