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Malaria is spreading to previously Safe Zones
Spread of malaria; CI Cam star emits X-rays that could point to a black hole; stress hormones can damage the brain; ant navigation; how to conserve a V-2 rocket; gene detectives map the Silk Road.
BBC World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The BBC brings you all the week's science news.
