How Do They Do It?

4:30 AM to 5:00 AM
Monday 30 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 4:30 AM, Monday 30 September. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
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