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    • Geology in Russia1 - Nature

      Nature· 9 hours ago

      The main water-parting is built up of granites, syenites, and gneisses, considerably worn down by denuding forces; it has a steep slope towards the east, where its base disappears beneath the ...

    • How to Draw a Straight Line1, - Nature

      Nature· 9 hours ago

      If I take a kite and pivot the blunt end to the fixed base and make the sharp end move up and down in a straight line, passing through the fixed pivot, the short links will rotate about the ...