<p>Kit Chapman explains how a 'daft' pharmacy mix up led to a series of poisonings in Victorian Britain</p>

Kit Chapman explains how a 'daft' pharmacy mix up led to a series of poisonings in Victorian Britain

<p>Kit Chapman explains how&nbsp;a 'daft' pharmacy mix up led to a series of poisonings in Victorian Britain</p>

Arsenic trioxide: Chemistry in its element

A weekly tour of the periodic table, from Chemistry World, the magazine of the Royal Society of Chemistry.

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