This week, we're Scrooge McDuck, diving into a big pile of science around making gold, from the 16th century to the present day, and the odds of guessing a stranger's name. Joining us in the studio is green chemist Len Gordon and chemical engineer Nicole Delaroca.

Our source text: https://www.theguardian.com/books/2009/oct/13/fairytales-rumpelstiltskin-brothers-grimm

Gold nanoparticles from wheat: https://www.csmonitor.com/2002/0829/p02s02-usgn.html

Bismuth into gold: https://www.scientificamerican.com/article/fact-or-fiction-lead-can-be-turned-into-gold/

Recorded by Sarah-Jayne Robinson and Tim Newport at CPAS Podcast Studio.

Edited by Tim Newport.

Intro music sampled from "Dance of the Sugar Plum Fairy" by Kevin MacLeod (incompetech.com)

Licensed under Creative Commons: By Attribution 3.0 License

http://creativecommons.org/licenses/by/3.0/