SIR LEONARD HILL writes, in NATURE of January 27, with reference to radium treatment and expresses a belief that "we would be little the worse off if all the radium now buried in deep holes for ...

IT may interest some to know that radium destroys vegetable matter. I happened to replace the usual mica plates, used to keep in the small quantity of radium in its ebonite box, with a piece of ...

Rutherford, in a recent book, published before Mr. Soddy's letter appeared in Nature, said: “Since radium hl!s a short life, compared with that of uranium, the amount of radium produced should ...