The Presidential Daily Brief


  1. periodic table

    Periodic Table Gets Four New Elements

    This is bound to cause a reaction … The International Union of Pure and Applied Chemistry has approved elements 113, 115, 117 and 118, completing the seventh row of the ubiquitous science chart. None occurs naturally — they have too many protons to maintain stability, and appeared for less than a millisecond in atom-smashing experiments. But their fleeting existence may lead to heavier, more stable elements. The four newbies are unnamed, but new monikers, which often honor scientists or mythology, can now be submitted by the researchers who discovered them.

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