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Below is everything (newest at top) with "education+research+science+sound" in its title or subcategories.

THE PYRAMIDS WERE GIANT MUSICAL INSTRUMENTS
( education / research / science / sound )

Cool! /images/wallpapers/ancient-sphynx-pyramid.webp Ancient people used sound power. It's less power than what we are used to, but ten thousand years ago this would've been revolutio... read more

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Amazon Movers & Shakers
  
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