Episode

1661: "The Earth's Core is Younger than its Surface"

Podcast
Interesting Things with JC
Published
May 23, 2026
Duration seconds
155
Processing state
not_requested
Canonical source
https://jimconnors.net/interesting-things-with-jc/2026/5/23/1661-the-earths-core-is-younger-than-its-surface
Audio
https://static1.squarespace.com/static/5bba2d6fca525b3efa21591f/t/6a0ef9e61683711a75b797e6/1779366381131/1661+-+Interesting+Things+-+Earths+Core+is+Younger+than+its+Surface.mp3
JSON
/v1/public/podcasts/interesting-things-with-jc-4639155/episodes/1661-the-earth-s-core-is-younger-than-its-surface
Markdown
/podcast/interesting-things-with-jc-4639155/1661-the-earth-s-core-is-younger-than-its-surface.md

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Summary

Interesting Things with JC #1661: "The Earth's Core is Younger than its Surface" – A clock at Earth’s core runs slightly slower than a clock on the surface, and over 4.5 billion years that tiny relativity effect leaves the center of the planet about two and a half years younger than the ground above it.