Mysterious Stone Megaliths All Over The Globe: What Is The Significance?

Stone circles conjure up a lost world of mysterious ceremonies, druid astronomers, pagan dances and inquisitive antiquarians. The most famous …

Corals, Crochet And The Cosmos: How Hyperbolic Geometry Pervades Our Universe

  Photo credit: The frilly forms of corals and sponges are biological variations of hyperbolic geometry, as seen here on …