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It's not just a modern fad – plant-based diets have a long and colourful political past.
The Nightmare by John Henry Fuseli.
Detroit Institute of Arts
Written in the same house party as Mary Shelley's Frankenstein, Polidori's creature was based on the "mad, bad and dangerous to know" Lord Byron.
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A clock designed to work for 10 millennia is being built – but what is the point of it?