Godavaya ship were found black and red ware pottery - dating from the 1st century to the 4th Century - together with a stone throne and coloured ball clay for making painted roofing tiles. Godavaya is home to five of the seven global marine turtle species: Hawksbill, Leatherback, Green turtle, Loggerhead and Olive Ridley turtle, which are all threatened. It has been proposed that the Leatherback turtles of Sri Lanka and the Nicobar Islands form a separate, genetically distinct Indian Ocean subpopulation. Godavaya beach is possibly the best Leatherback turtle nesting beach in the island, with the largest nesting population. A
History of manifolds and varieties spaces with a differentiable or topological structure, while "variety" refers to spaces with an algebraic structure, as in algebraic varieties. In Romance languages, manifold is translated as "variety" – such spaces with a differentiable structure are literally translated as "analytic varieties", while spaces with an algebraic structure are called "algebraic varieties". Thus for example, the french word "" means topological manifold. In the same vein, the Japanese word "" (tayōtai) also encompasses both manifold and variety. ("" (tayō) means various.) Ancestral to the modern concept of a manifold were several important results of 18th and 19th century mathematics. The oldest