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! If you’re already on Patreon and have a creative Wizard offer to give Bec and Matt, please comment on our pinned post! If you want to (we’re not forcing anyone) please do leave us a review, share the podcast with a friend, or give us a rating! Please do that. It really helps. Finally, if you want even more from A Problem Squared you can connect with us and other listeners on BlueSky, Twitter, Instagram, and on Discord.