# Earth's Inner Core Spins Backward

Page: https://stenobird.com/podcast/hartford-news-today-2-min-news-the-daily-news-now-7569670/earth-s-inner-core-spins-backward
Text version: https://stenobird.com/podcast/hartford-news-today-2-min-news-the-daily-news-now-7569670/earth-s-inner-core-spins-backward.md
Podcast: [Hartford News Today | 2 Min News | The Daily News Now!](https://stenobird.com/podcast/hartford-news-today-2-min-news-the-daily-news-now-7569670)
Published: 2026-06-01T21:47:29+00:00
Episode link: https://api.fastcast.ai/audio/dc1495d8-ed64-45ac-a1e0-a8db6f58f635.mp3
Audio file: https://api.fastcast.ai/audio/dc1495d8-ed64-45ac-a1e0-a8db6f58f635.mp3
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JSON: https://stenobird.com/v1/public/podcasts/hartford-news-today-2-min-news-the-daily-news-now-7569670/episodes/earth-s-inner-core-spins-backward
Duration seconds: 107

## Resource

Earth’s inner core just flipped direction—spinning opposite to the rest of the planet since around 2010. Scientists pieced this together by tracking seismic waves from quakes over decades, revealing a 70-year cycle where the core speeds up, slows down, and reverses. Though subtle—changing day length by milliseconds—it’s crucial for Earth’s magnetic field, which shields us from solar radiation. Researchers are now diving into older seismic data to map past rotations and link them to magnetic shifts and day-length changes, proving our planet’s hidden heart is far more dynamic than we ever imagined. Support the show: Get a discount at https://solipillow.com/discount/dnn. Advertise on DNN: advertise@thednn.ai This is an automated, high-level news summary based on public reporting. Report issues to feedback@thednn.ai. View sources & latest updates: https://sources.thednn.ai/92b9c40f9b7c12f3

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