It came from one of the most mysterious places on Earth and puzzled scientists for a decade. And listen, it sounds pretty weird and creepy: First there’s that low, humming sound that echoes through the depths. And then there’s a high-pitched, metallic ringing sound. Bzzzzzz, pew, pew, pew, pew. Researchers previously compared the second part of the mysterious “biotwang” sound to the sounds of Star Wars and Star Trek spaceships. No one knew what the source was. Until now.
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