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

  • The people who are currently alive are only 7% of the total number of people who have ever lived.
  • Jellyfish can sting even when they're dead.
  • There is a fish with transparent bones and white blood.
  • A team of six women programmed the first digital computer.
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