If anything screams "established science" it is the image of the periodic table.
Invented 152 years ago, it now adorns the walls of every high school science classroom on the planet.
I knew there had been changes over the years -- those two rows at the bottom especially turn out to be the fruit of discoveries subsequent to Dmitri Mendeleev.
So I recently did some googling, looking for celebratory articles about this two years ago, as the icon passed the 150 years mark.
What I found was disturbing. The mountains may crumble and Gibraltar may tumble type of disturbing.
https://www.newscientist.com/article/mg24132190-400-three-reasons-why-the-periodic-table-needs-a-redesign/
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