How Do They Do It?

11:30 PM to 12:00 AM
Thursday 31 July
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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 Quest HD at 11:30 PM, Thursday 31 July. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
General