How Do They Do It?

11:00 PM to 11:30 PM
Thursday 14 August
+

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 History +1 at 11:00 PM, Thursday 14 August. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
General