Aired Friday May 7, 7:00am - 7:20amon Quest +1

How Do They Do It?

Series 9 Episode 11: Scania Trucks; Miracle Forensics; Gouda

How do they build powerful Scania trucks; how do they use the world's biggest DNA database to solve crime; and how do they use paraffin to make Gouda cheese?

Documentary / Educational / Science
Original air date