134 = Tooth and Rock Day 2026
Show notes
🤘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:
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:
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