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How to model a pandemic

Behind every government announcement, there is an army of epidemiologists predicting how the virus will spread, and how to beat it.
Image from ‘Criminal man, according to the classification of Cesare Lombroso’ (1911). Internetarchivebookimages/Flickr

How tattoos became fashionable in Victorian England

We may think tattooing is a modern phenomenon, but the reasons for its popularity are not dissimilar to those seen in the prisons and convict ships of the Victorian era.

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