No matter where you are on Earth right now, there is approximately 6,400 kilometers or 4,000 miles of rock beneath your feet.
All of that rock isn’t the same. There exist different layers below the surface that have different properties and different compositions.
There is even a layer near the center of the Earth where the rock isn’t even a solid, but a ... Show More
Aug 14
How have rivers shaped human existence? With Vanessa Taylor
From ancient empires to modern metropolises, what do rivers tell us about the way humans build, worship, and fight for their worlds? In this episode, historian Vanessa Taylor joins host Caroline Dodds Pennock to explore the powerful role rivers have played in shaping human histor ... Show More
37m 17s
Apr 2023
A JOURNEY TO THE PLANET SERPO
On July 16, 1965, a massive alien spacecraft from the Zeta Reticuli star system landed at a Nevada test site north of Las Vegas. Following a plan set in motion by President Kennedy, the alien visitors known as the Ebens welcomed 12 astronaut-trained military personnel aboard thei ... Show More
1h 6m
Aug 2024
A Fresh Perspective on Life on the Blue Planet, with Ferris Jabr
The development of life on Earth is often framed through the evolution of separate and distinct life forms but less common is the idea of the Earth itself as being one whole living organism. Writer Ferris Jabr's new book, Becoming Earth: How Our Planet Came to Life, takes an all- ... Show More
48m 52s
Mar 2025
Rare Earth Minerals Explained
Rare Earth Elements are everywhere — in your phone, your car, even your headphones — and the world can’t function without them. As demand for green tech and high-performance electronics surges, so does the race to secure reliable access to these crucial elements. Skip Montreux an ... Show More
16m 24s
Dec 2024
3425: Stop Measuring Your Purchases in Dollars by Charlie Brown on Value of Time vs Money
Discover all of the podcasts in our network, search for specific episodes, get the Optimal Living Daily workbook, and learn more at: OLDPodcast.com.Episode 3425:Charlie Brown challenges the way we perceive the cost of our purchases, urging us to measure value in terms of time rat ... Show More
10 m