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What isotopes reveal about ancient cratons with Dr Eric Vandenberg
October 6, 2026 · 28 minWhere Anthony sees crystals and Holly sees a rock, Dr Eric Vandenberg sees atoms, and specifically, Eric counts the neutrons. Eric is a postdoc at the Adelaide University and part of the ARC Training Centre for Critical Resources for the…
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Ancestry among the ashes: what volcanic records reveal about human evolution with Dr Hayden Dalton
September 29, 2026 · 29 minVolcanologist Dr Hayden Dalton (University of Melbourne) joins Holly & Anthony with the science he's bringing to a fascinating human question: exactly how many hominin species were alive at the same time, in the same place, and were they…
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Earthquakes, extinctions & deep microbiology: the discoveries made by scientific ocean drilling with Dr Ron Hackney
September 21, 2026 · 33 minPushing the frontiers of knowledge about our planet has never been so much fun! We've explored less of the ocean floor than we have the surface of Mars, so Dr Ron Hackney, director of ANZIC (the Australian New Zealand International…
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The amazing chemistry of ocean sediments with Dr Stefan Loehr
September 15, 2026 · 38 minWe've directly observed less than 0.001% of the seafloor — so what's really going on down there? In this episode, Dr Stefan Löhr (ARC Future Fellow at the Adelaide University, and researcher with the Centre for Critical Resources for the…
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Exploring for critical chromium, from the ground up (to space!)
September 7, 2026 · 26 minCritical Chromium: From Field Samples to Space Technology: How Do We Secure Supply? Exploring for critical chromium, from the ground up (to space!) Aerospace alloys, industrial protective coatings, stainless steel - chromium is literally…
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Carbonatites: to REE or not to REE?
September 1, 2026 · 25 min💎 Carbonatites: To REE or Not to REE? Earth's strangest magma is carbonate-rich, comes from the mantle, and there's only ONE erupting on the planet right now. It's called a carbonatite, a rare igneous rock that hosts the world's largest…
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This critical metal is only found in mine waste? Dr Olivia Mejias Gonzalez on indium...
August 20, 2026 · 31 min✨ The Weirdest Critical Metal You've Never Heard Of: Indium, Mine Waste & the Hunt for Hidden SuppliesYou've touched it hundreds of times. It's in your phone screen, your laptop, your solar panels, your TV. But unless you're a obsessed…
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Looking for Lithium: from rocks in Rajasthan to laboratories in Western Australia
August 11, 2026 · 26 minElectric vehicles are the future. But here's the problem: India's lithium demand is skyrocketing, but the local supply is nearly zero. Enter pegmatites: fancy, crystal-studded rocks hiding in the Rajasthan desert that might just hold the…