134 = Tooth and Rock Day 2026

From A Problem Squared by Matt Parker, Bec Hill

May 11, 2026 · 1h 21m · Season 1 · Episode 134

About this episode

Episode 134 celebrates Dwayne Johnson's birthday with a special focus on tooth and rock-related queries.

🤘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! If you’re already on Patreon and have a creative Wizard offer to give Bec and Matt, please comment on our pinned…

People in this episode

Hosts: Matt Parker, Bec Hill

Guest: Dentist Sophie

Topics covered

tooth fairy
rocks
health hazards
comedy
podcast
birthday special

Keywords

Dwayne Johnson
tooth fairy
rocks
health hazards
Salt of the Perth
comedy podcast

Mentioned in this episode

Organizations: Scottish Water, ScienceDirect, Our World in Data, UBC