Is There a Miasma Witch Over There?

Lawren Bresnahan is the host of Stuffdon, a podcast about how stuff works. He recently did an episode on why diamonds appear in engagement rings so frequently. Now he's going to delve into some of the dirty secrets that you might not know about diamonds. What show better than stuffdon wants you to know for this and a what guest host better than our resident diamond expert? O oh, ok, no pressure. Thanks.