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Discover the natural wonders of Earth on over 400 radio stations worldwide
Episodes
Episode
453
Geologic Hotspots
December 30, 2025
Episode
452
Sprites and Elves
December 23, 2025
Episode
451
Rare Earth Recovery
December 16, 2025
Episode
450
Return of the Mammoth
December 9, 2025
Episode
449
Hey, Bird Brain!
December 2, 2025
Episode
448
Super Sponges
November 25, 2025
Episode
447
Swamp Architects
November 18, 2025
Episode
446
Hydrogen from Rocks
November 11, 2025
Episode
445
Sexy and Dangerous
November 4, 2025
Episode
444
What Does a Mummy Smell Like?
October 28, 2025
Episode
443
Plants That Eat Bugs
October 21, 2025
Episode
442
Earth’s Rarest Mineral
October 14, 2025
Episode
441
Energy Born of Earth
October 7, 2025
Episode
440
Sulfur Stinks
September 30, 2025
Episode
439
Pasteur’s Rabies Vaccine
September 23, 2025
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