Master of the velvet dark

The Martyrdom of St Ursula, By Michelangelo Merisi, known as Caravaggio, 1610. The artist'sself-portrait is behind St Ursula on the right.

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Across the great divide: why would a science writer write about art?

Across the great divide: why would a science writer write about art?

Step by step

Step by step

The hedgehog knows one big thing

The hedgehog knows one big thing

Special brew

Special brew