How Do They Do It?

12:30 PM to 1:00 PM
Sunday 29 September
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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 12:30 PM, Sunday 29 September. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
General