But amplitude variations in the hum did not correlate with the seasons as once thought.
Scientists finally capture hum coming from the centre of the Earth, reports GeologyIn.
Although we like to think we know everything – and technology has advanced so much we practically have the answer to everything we don’t know at our fingertips – there are still plenty of mysteries left to solve.
For the past few decades, something has been becoming increasingly clear: Earth constantly hums, even though we can’t hear it.


















