Cryosol | Soil Monoliths Cryosols (or Gelisols in USDA Soil Taxonomy) have permafrost either within 1 m of the surface or within 2 m if the pedon is strongly cryoturbated in the active layer. Monoliths.soilweb.ca
Among the ancient Greeks, Homer thought the world to be flat. In contrast, Pythagoras postulated that the earth was round. A century later, Aristotle sided with the theory of the roundness of the earth.
The Flat Earth Society (also known as the International Flat Earth Society or International Flat Earth Research Society) was founded by Englishman Samuel Shenton in 1956. Shenton initially accepted the globe theory of the Earth, and indeed suggested his own innovation on how to make use of the Earth's rotation.