Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. This has led to speculation about whether these natural ...

Earth’s electromagnetic signals, known as Schumann resonances, overlap with certain human brain wave frequencies The hypothesis suggests a possible connection between environmental signals and human ...

Earth's mysterious 'humming' vibration has surged for more than a week, prompting reports from some people who say the phenomenon is disrupting their sleep and causing ringing in their ears. Known as ...

A new study shows that the sounds generated at an altitude of 70 to 80 meters are the result of the activation of Schumann resonances. The study is a continuation of a hypothesis that Unto K. Laine, ...