134 = Tooth and Rock Day 2026

🤘To mark the May Birthday of Dwayne 'The' 'Tooth Fairy' 'Rock' Johnson, Episode 134 is a Tooth and Rock Special!

🪨 Matt answers your rock-based queries and shares a Salt of the Perth update

🦷 Bec and Dentist Sophie answer your tooth-based queries and shares an Adult Tooth Fairy update

Head to our socials to look at some incredibly detailed Salt of the Perth imagery.

And relatedly…

Lead Explained:

https://www.scottishwater.co.uk/-/media/ScottishWater/Document-Hub/Factsheets-and-Leaflets/Factsheets/100620SWFactSheet72020v5web.pdf

Thallium in Salt Substitutes: A Possible Health Hazard:

https://www.sciencedirect.com/science/article/pii/0013935177900433

And here’s Matt’s Moving Mountains sources:

https://ourworldindata.org/energy-production-consumption

https://www.eoas.ubc.ca/courses/eosc350/content/foundations/properties/density.htm

Matt has extended his tour - and filming the show in London in October - all the dates, venues and tickets can be found here:

http://standupmaths.com/shows 

Join us on Patreon for early releases and our monthly bonus podcast I’m A Wizard!

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