How Do They Do It?

6:00 AM to 6:30 AM
Tuesday 10 February
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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 Channel at 6:00 AM, Tuesday 10 February. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
General