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Did Siberian Volancoes cause prehistoric mass Extinction?
Riddle of mass extinction at the Permian-Triassic boundary solved?; drug tucaresol acts through immune response; new science of surreal numbers; why we don't exercise; celebrating 100 years of radio.
BBC World Service Archive
This programme was restored as part of the World Service archive project
Podcast
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Science In Action
The BBC brings you all the week's science news.
