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It cited aged software, periodic system failures, mistakes in programming and overreliance on manual input of data, The Washington Post reported Sunday.

The mechanics of the entire transplant system must be overhauled, the review concluded, citing aged software, periodic system failures, mistakes in programming and overreliance on manual input of data.

But, Scerri explains, the Russian chemist was a master storyteller and, compared to Meyer and other competitors, a more effective evangelist for the periodic system.

The very first hint of chemical periodicity was announced by a French engineer, Alexandre-Émile de Chancourtois, who also designed a three-dimensional periodic system that he named the telluric screw.

The periodic system has two levels of classification: a primary level, based on atomic numbers of the elements, and a secondary one, based on chemical properties.