How Do They Do It?

How are powerful Scania trucks built? How do they use the world's biggest DNA database to solve crime? How is paraffin used to make Gouda cheese? S9, Ep12

How do they make the finest classical guitars? How do they keep the blades turning on a wind turbine? How do they produce America's ultimate mowing machines? S9, Ep13

How can lifeboats hold up to 150 people? How can mind control techniques help golfers improve their shots? How do they make millions of celebratory stamps? S9, Ep14

How do they produce tequila from cactus plants in Mexico? How does New York City run on steam? How do they produce soft ice cream? S9, Ep15

How do stuntmen survive a bad day at work? How do they mine precious amber gemstones? How do they build Seabreacher watercraft that move like dolphins? S9, Ep16

How is NYC supplied with the finest steaks? How do they produce the ultimate surround sound home cinema systems? S9, Ep17

How is viscose transformed into clothing and cloth? How do they produce the world's favourite fizzy drinks? How do they make traditional English snuff? S9, Ep18

How do they build the world's most expensive cable cars? How is vodka produced from grass? How do social networks connect people around the world? S9, Ep19

How do skydiving suits work? How do they produce Surströmming, one of the world's smelliest foods? How do they transform weeds into walls? S9, Ep20