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The Problem with Polio Vaccination
How a WHO campaign to erradicate polio actually caused an outbreak of the disease in Haiti. A new fossil of a Jurassic mammal found in Patagonia. DNA and how it is being used to build computers. The theoretical anthropology of sending a "generation starship" to establish a colony on another planet.
大象传媒 World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The 大象传媒 brings you all the week's science news.
