ABC News
Could ocean waves be making planet Earth hum?
Earth is constantly humming with an ultra-low-frequency vibration that can be picked up right across the globe which has puzzled seismologists for decades. Growing evidence suggests it's the collective sound of the world's oceans constantly moving.
Earth is constantly humming with an ultra-low-frequency vibration that can be picked up right across the globe which has puzzled seismologists for decades. Growing evidence suggests it's the collective sound of the world's oceans constantly moving.
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