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    • Colour-Vision and Colour-Blindness1 - Nature

      Nature· 17 hours ago

      The retina lines the interior of the eyeball over somewhat more than its posterior hemisphere. It is a very delicate transparent membrane, about one-fifth of a millimetre ...

    • Sun-Spot - Nature

      Nature· 17 hours ago

      WHILE watching the sun set over the hills to the west of Halifax, on the evening of July 17, my attention was called to an intensely black spot upon its southern hemisphere

    • Cause of Low Barometric Pressure - Nature

      Nature· 17 hours ago

      IN the number of NATURE for July 20, 1871, I find a paper by Ferrel, “On the Cause of Low Barometer in the Polar Regions,” &c. The author says that the law which deflects a body to the right ...

    • Capt. F. C. Selous - Nature

      Nature· 17 hours ago

      THE late Capt. Frederick Courteney Selous, whose death in action against the remaining German forces in East Africa has just come as a painful shock to his many friends in the two hemispheres ...

    • Our Astronomical Column - Nature

      Nature· 21 hours ago

      In September, 1876, a circular was addressed from Washington to the principal observatories in both hemispheres, inviting co-operation in systematic meridian observations ...