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    • Societies and Academies - Nature

      Nature· 2 days ago

      —Prof. J. Joly and L. B. Smyth: The radium-emanation content of soil gases and its escape into the atmosphere. The emanation content of soil gas is measured by filling a suitably ...

    • Iridescent Clouds - Nature

      Nature· 6 days ago

      The descriptions given agree very well with that of a phenomenon which I have observed here several times, and which is described in Herschel's “Meteorology,” p. 225. Here the phenomenon is ...