The 2 Best Bedrock: Earth's Earliest History Podcast Episodes
1) 1: The Earth Calendar
Introductions all around- the podcast, the period of time we’ll be exploring, and the host. We’ll start by scaling Earth’s entire history down to a manageable 365 days.
2) 2: Three Recipes for Rocks
How can rocks tell us the stories of ancient Earth- stories of magma, water, and life? To answer that question, we look at a few common rock types and examine how they formed.
3) 48: The Impossible Rock
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 expe...Show More
4) 47: The Limestone Family
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 ...Show More
5) 46: Rising From the Ashes
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 i...Show More
6) 45: As Above, So Below
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 mant...Show More
7) 44: From the Abyss
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 ...Show More
8) 43: Postcards From the Edge
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, sp...Show More
9) Audience Survey Results
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 ...Show More
10) 42: The Question of Life
Donate to support the show- anything is appreciated!Click here for the audience survey!Click here to read Dylan's Nature paper!Nearly 30 years ago, one paper claimed to find the oldest evidence for li...Show More