Mystery inside Earth: A 26-second pulse no one can explain yet

Produced by: Manoj Kumar

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Silent heartbeat

Every 26 seconds, Earth emits a faint, rhythmic vibration—inaudible to us, but persistent and global.

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Seismic whisper

First detected in 2005, this tiny pulse repeats with clockwork precision, baffling scientists to this day.

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Sun-powered hum

Experts say the pulse rides on ambient seismic noise—energy from waves, winds, and solar-heated storms.

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Desk knock effect

The vibration travels like a knock on a desk—felt across the planet, despite its subtle origins.

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Mystery in motion

It’s not an earthquake. It’s not a storm. And it may not even come from the surface—yet it keeps ticking.

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Crust to core

The pulse is offering clues to the Earth’s inner workings—mapping how energy moves through the crust and mantle.

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Surprise signal

Despite decades of seismic data, this pattern caught scientists off guard—suggesting something fundamental is still unknown.

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Global rhythm

From the bottom of the ocean to the core of the Earth, this pulse could redefine how we see planetary dynamics.

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Secret still ticking

For all our tech—satellites, supercomputers, seismographs—we still don’t know what causes it. But it hasn’t stopped.

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