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If books could kill: The poison legacy lurking in libraries - BBC

11.06.2025 02:40

If books could kill: The poison legacy lurking in libraries - BBC

Green dye was widely used in Victorian publishing

Pauline McLeanBBC Scotland Arts Correspondent

The Victorians loved the colour green. In particular, they loved a vibrant shade of emerald created b… [+4622 chars]

Why is (n-1)(n+1)=n^2-1?