How Do They Do It?

1:30 PM to 2:00 PM
Sunday 29 September
+

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 +1 at 1:30 PM, Sunday 29 September. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
General