Forbidden Universe
Paranormal => General Paranormal => Topic started by: AngelOfThyNight on December 18, 2016, 05:01:04 AM
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Mystery sound heard near the Mariana Trench
A mysterious metallic sound recorded by researchers could actually be a never-before-heard whale call. Picked up by autonomous robots known as "passiv...
Source: Mystery sound heard near the Mariana Trench (http://www.unexplained-mysteries.com/news/301669/mystery-sound-heard-near-the-mariana-trench)