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Bedrock: Earth's Earliest History Bedrock: Earth's Earliest History Dylan Wilmeth Pursuing Justice Pursuing Justice Harriet Hendel Chicago Weather Daily Chicago Weather Daily Fast Foundations Clima Diario Ciudad de México Clima Diario Ciudad de México Fast Foundations Common Ground MtG Pauper Podcast Common Ground MtG Pauper Podcast Common Ground MtG Crosswalk Talk: Celebrity Christian Interviews Crosswalk Talk: Celebrity Christian Interviews Crosswalk Talk: Celebrity Christian Interviews Vibes Only Vibes Only Brian Derrick & Glennis Meagher | Political Strategists Spirit Nonsense Spirit Nonsense Oli Cox Daily Psalms - Classical Psalms Every Day Daily Psalms - Classical Psalms Every Day https://lumivoz.com Riverside Daily Devotion Podcast Riverside Daily Devotion Podcast Riverside Church Family J. Bryson Podcast J. Bryson Podcast J. Bryson Daily Rosary with M.A. Cummings Daily Rosary with M.A. Cummings M.A. Cummings FitBody Lifestyle FitBody Lifestyle Jami & Greg DeBernard Geoeconomic Competition Geoeconomic Competition Francesca Ghiretti THE DAILY BLAST with Greg Sargent THE DAILY BLAST with Greg Sargent Greg Sargent Next Level Play Therapy: A Podcast for Play Therapy Excellence Next Level Play Therapy: A Podcast for Play Therapy Excellence Cathi Spooner, LCSW, RPT-S The Unstuck High Performer Podcast - Hypnotherapy and Mindset Coaching for High-Performers The Unstuck High Performer Podcast - Hypnotherapy and Mindset Coaching for High-Performers Paul Salter The Migration Waterfowl Podcast The Migration Waterfowl Podcast Brian Halbleib Aging Rewired Aging Rewired Senior Planet from AARP Ranchonomics Ranchonomics John Haskell, Ranch Right LLC The Accounting Leads Now Podcast The Accounting Leads Now Podcast James Donovan Karin Sorkin | Intuitive bAbBLE Karin Sorkin | Intuitive bAbBLE Karin Sorkin The Chosen People The Chosen People Pray.com WGKM WGKM KGOR Radio Love, Happiness and Success with Dr. Lisa Marie Bobby Love, Happiness and Success with Dr. Lisa Marie Bobby Lampho Ghatoo Coparenting Beyond Conflict: High-Conflict Divorce and Custody Strategies Coparenting Beyond Conflict: High-Conflict Divorce and Custody Strategies Sol Kennedy Let's Get Naked Let's Get Naked Anne Karber A Sip Of Redrum A Sip Of Redrum Brittany Nichole and Deja Symone The Pexapark Podcast The Pexapark Podcast Pexapark Private Equity Experience Private Equity Experience Ed Barton, Rory Liebhart, and Emily Sander Ease & Abundance Ease & Abundance Annette LeBlanc Make Better Wealth Decisions: How Financial Advisor's Blind Spots Can Hurt Your Investments in a Rapidly Changing World Make Better Wealth Decisions: How Financial Advisor's Blind Spots Can Hurt Your Investments in a Rapidly Changing World John De Goey (a podcast covering financial literacy, financial advisors & wealth) The Daily Blade: Joby Martin & Kyle Thompson The Daily Blade: Joby Martin & Kyle Thompson Joby Martin & Kyle Thompson The Dirty Heifers The Dirty Heifers Margaret Connor Why Should I Trust You? Why Should I Trust You? Brinda Adhikari, Tom Johnson, Maggie Bartlett, Dr. Mark Abdelmalek Flanagan's Wake | A Mike Flanagan Podcast Flanagan's Wake | A Mike Flanagan Podcast Doof! Media Your Daily Dose of Hope Your Daily Dose of Hope Phyllis Nichols,, SoundAdvice Strategies
Bedrock: Earth's Earliest History

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Bedrock: Earth's Earliest History

Dylan Wilmeth

53: The Great Fossil Debate

July 01, 2026 4:45pm 38 min

At long last, we finish the cliffhanger from Episode 52! Last time, I introduced one of the greatest debates in paleontology and geology. Are a few little triangles on the Greenland tundra Earth's oldest visible fossils,...

The Return of Bedrock and Hometown Geology

June 22, 2026 12:45pm 5 min

Good news: After six months, my girlfriend's hospital odyssey is wrapping up for now.Bad news: My visiting professorship at GVSU has finally ended, and the job hunt continues.For better and for worse, I have more time to...

Life Update: Medical Hiatus

February 19, 2026 3:30pm 4 min

This brief update explains the long pause in episodes. A month ago, my girlfriend had a major, sudden hospital visit. The operation went smoothly, but there are many more hospital visits in the next few months. Episodes ...

52: The Thing in the Ice

January 08, 2026 4:00am 45 min

Until now, all the clues for ancient life have been microscopic, beyond the realm of sight. Today, that begins to change. Ten years ago, a team of scientists showed the world a weird, lumpy rock that they claimed was the...

Hometown Geology Pilot: Grand Rapids, Michigan

December 22, 2025 4:00am 51 min

Here's a new monthly podcast that Dylan's releasing on Patreon! Hometown Geology focuses on cities/locations around the world, chosen by patrons. This pilot episode highlights Dylan's current hometown of Grand Rapids, MI...

51: The Latest News on the Oldest Life

December 17, 2025 4:00am 31 min

This episode, we focus on just one special boulder from the Greenland tundra, a rock that might have Earth's oldest fossils. Over the past 10 years, scientists from around the world have used the latest technology to rev...

Bedrock Patreon Is Up Now!

December 10, 2025 5:00am 5 min

Visit patreon.com/bedrockpodcast for bonus perks like new episodes, voting rights, and topic selection! P.S. Thanks to a bad cold, both my voice and the audio quality are not on par today. P.P.S. The cold has also delaye...

50: The Oldest Evidence for Life?

November 26, 2025 5:00am 42 min

Donate to support the show- anything is appreciated!Finally, 3.7 billion years ago, we reach some of the strongest evidence for life on Earth yet. It takes a while to find, and it only looks like a few dark crystals, but...

50th Episode Fireside Chat: What's Next?

November 19, 2025 8:00am 15 min

In this casual chat, Dylan talks about the show's growth, the upcoming end of Season 2, a potential career shift to science communication, and other podcast recommendations. Thank you all for bringing this show to 50 ep...

49: The Fossil Quest

November 05, 2025 6:00am 31 min

Many folks have claimed to find Earth's oldest fossils in the Greenland rocks, 3.7 billion years old. Before we meet and judge these contenders, we need to learn what counts as a fossil. This early in Earth history, noth...

48: The Impossible Rock

October 22, 2025 1:00pm 31 min

What is the hardest rock to make? Today's rock is very common in Earth's ancient past, and it should be everywhere today. However, it's nearly impossible to form in nature or the laboratory. Some experiments have tried f...

47: The Limestone Family

October 08, 2025 6:00am 37 min

Donate to support the show- anything is appreciated!Today is a tale of two sisters: limestone and dolomite. Limestone is far more popular and well-behaved, one of the most common stones in nature and in architecture. Dol...

46: Rising From the Ashes

September 24, 2025 8:00am 37 min

What types of volcanoes were erupting 3.8 billion years ago? Today, we meet a new type of rock and a new type of volcano, far more powerful and dangerous than those we've met so far. The old volcano is long dead, but the...

45: As Above, So Below

September 10, 2025 1:00pm 27 min

What was Earth's mantle like 3.8 billion years ago, and how do we know? The mantle is a realm that humans have never visited, and examining it is only harder in the ancient past. Fortunately, the mantle sometimes gifts u...

44: From the Abyss

August 27, 2025 7:00am 24 min

What is the world's oldest slice of mantle, and how did it reach the surface? Today, we'll meet the first tangible piece of the world below the crust, a world humans still have not visited. Along the way, we'll meet an o...

43: Postcards From the Edge

August 13, 2025 8:00am 30 min

In 1971, two geologists traveled to the edge of Greenland's ice sheet. What they found were the oldest rocks known at the time, 3.8-3.7 billion years old. Shockingly, they were in decent condition, sparking a half-centur...

Audience Survey Results

July 30, 2025 7:00am 11 min

Two months ago, I made an audience survey focusing on one topic: how would you like to support the show? Many folks answered, and here's what you said about donations, Patreon, ads, and merch. If you want to give your ow...

42: The Question of Life

July 16, 2025 8:00am 31 min

Nearly 30 years ago, one paper claimed to find the oldest evidence for life on Earth. How does that evidence hold up in 2025? Are these fossils or duds? Don’t panic, we’ll answer these questions to life, the universe, an...

41: The Oldest Seafloor

July 02, 2025 8:00am 32 min

In 1991, a mysterious, striped red and gray rock was discovered on a cold Greenland isle. Years later, this rock would rock the scientific world with multiple debates about the early oceans and life. What exactly is this...

40: The Time War

June 18, 2025 12:15pm 29 min

How old is the oldest slice of Earth's seafloor? The answer is more contentious than you would think. Today, we visit one of the most debated locations in the show: a small island off the Greenland shore named Akilia. Ev...

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