How Do They Do It?

1:00 PM to 1:30 PM
Sunday 19 January
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Pearls/Knives

Season 15 Episode 17 of 20

How do they grow America's only freshwater pearls in Tennessee? Plus, a look at how the world's sharpest knives are forged

How Do They Do It? airs on Discovery Science at 1:00 PM, Sunday 19 January. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
General