An episode that’s millennia in the making: we meet the founder of the world’s first de-extinction and species-preservation company, to hear how it’s using ancient DNA to bring back animals including the woolly mammoth and dodo. Plus: do natural diamonds, forged over millions of years, outshine lab-grown gems?

How Kelluu’s UFO-like airships caught the eye of Nato and conspiracy theorists
28:55

Belmond CEO Dan Ruff: LVMH told us to slow down and it worked
30:04

Chez Carrie: How an American beat French bureaucracy to open a chic Paris bistro
29:43