Aired Friday 11 October, 3:00am - 3:30amon Quest +1

How Do They Do It?

Series 16 Episode 1

Exploring how one family in America make three quarters of the world's peppermint oil. Also, a look at state-of-the-art, performance-enhancing tennis rackets.

Category
Documentary / Educational / Science
Original air date
13/06/2019
Cast and crew
  • Chris BroylesNarrator