Scientists Finally Reveal Secret Origin Behind 1960s Deep Ocean Mystery

Scientists finally reveal secret origin behind 1960s deep ocean mystery

An international team of researchers have finally discovered the source of a weird, low-frequency rhythmic sound that has puzzled scientists and submarine sonar operators for more than half a century. Listen to it.

No kaijus, folks. It's the Antarctic minke whale or Balaenoptera bonaerensis. The fact that the sound appeared "in higher and lower latitudes during the winter season" was also something that contributed to its mystery.

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