The World's Largest Stone Sphere is Evidence of a Lost Ancient Civilization

Concretion, and Other Things

Concretion is the process of rock slowly being compressed by its surroundings. These rocks become spherical because of a process called spheroidal weathering, which is when a stone gets gradually weathered down because of exposure to mineral-rich water. The Bosnian sphere was most likely formed from a combination of both of these processes...

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The More You Know

  • Mattel once tried to sue Aqua over their song "Barbie Girl". The judge literally told them to "chill".
  • Dr. Seuss wrote Green Eggs and Ham as part of a bet.
  • Maine is the only state that has a one-syllable name.
  • The national animal of Scotland is the unicorn.
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