教育

Scrapping the periodic table? An elemental mistake

Indian authorities are removing this historic graphic from textbooks — but it is fundamental to understanding the world

The writer is a science commentator

The A3 poster hangs off the bottom of the kitchen blackboard, just below the Middlesex County Cricket Club fixture list and the bin lorry timetable. Given the team’s sorry T20 performance this season, it is the only pin-up among the trio that brings any joy.

It is, of course, a pullout of the periodic table. The grid, familiar to all schoolchildren, orders all the known elements into rows and columns according to their properties.

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