The world has evolved to run on just 20 elements, or so it seems.
In Natural
Selection of the Chemical Elements (Oxford, 拢75, ISBN 0 19
855843 0), R.
J. P. Williams and J. J. R. Frausto da Silva explain how humans have
impinged on
this natural selection by adding the rest of the periodic table to their
chemical repertoire and making ample use of 鈥渦nnatural鈥� elements, in industry
and elsewhere. Ultimately our world will evolve to compensate鈥攁nd we may
not be around by then to react.
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