Scientists discover more complex oscillations in planetary symphony
(NEWSER) - Scientists have discovered a new dimension to the sub-aural sound emanating from our planet’s crust, dubbed “Earth’s hum.” Researchers have known about the hum, detectable only by seismometers, for a decade, though its ultimate cause is unclear. They expected to find hidden oscillations, but the amplitude of the new “ring-like waves” dwarfed expectations, LiveScience reports. More»
