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Discover the natural wonders of Earth on over 400 radio stations worldwide
minerals
Episode
414
Potato Stones and Thunder Eggs
April 1, 2025
Episode
376
Rust Results
July 9, 2024
Episode
325
Petrified Wood
July 18, 2023
Episode
322
Treasure on the Seafloor
June 27, 2023
Episode
304
4-Billion-Year-Old Time Crystals
February 21, 2023
Episode
301
Outback Opals
January 31, 2023
Episode
267
A Fragile History
June 5, 2022
Episode
227
Cold Lightning
August 28, 2021
Episode
224
Gems from Deep Earth or Space
August 7, 2021
Episode
199
Legends of Amethyst
February 13, 2021
Episode
176
Nickel Farming
September 4, 2020
Episode
165
The Ever Green Stone
June 18, 2020
Episode
149
Preserving with Salt
February 27, 2020
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