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In 1981, the US Department of Energy and the civil engineering company Bechtel Corp assembled a task force to help tackle the problem of how to warn future humans to stay away from radioactive nuclear waste sites thousands of years into the future. Perhaps the strangest solution came from the French author Françoise Bastide and the Italian semiologist Paolo Fabbri, who proposed genetically engineering cats to change colour in response to radiation, and creating a mythology of danger around those cats. An exploration of unusually creative problem-solving, the French director Benjamin Huguet’s film probes how the once-obscure, decades-old ‘ray-cat solution’ has recently found new life.
Director: Benjamin Huguet
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Language and linguistics
Why Susan listens to recordings of herself speaking a language she no longer remembers
5 minutes
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Ethics
Plato saw little value in privacy. How do his ideas hold up in the information age?
5 minutes
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Information and communication
‘Astonished and somewhat terrified’ – Victorians’ reactions to the phonograph
36 minutes
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Engineering
From simple motors to levitating trains – how design shapes innovation
23 minutes
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Animals and humans
Are zoos and natural history museums born of a desire to understand, or to control?
57 minutes
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Archaeology
What’s an ancient Greek brick doing in a Sumerian city? An archeological investigation
16 minutes
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Family life
The migrants missing in Mexico, and the mothers who won’t stop searching for them
21 minutes
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Virtues and vices
Why Jean-Jacques Rousseau and Adam Smith were divided on the virtues of vanity
5 minutes
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Ecology and environmental sciences
The tree frog die-off that sparked a global mystery – and revealed a dark truth
15 minutes