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Tracking Human Migration by Goat DNA
What goat genetics tell us about human migration
What goat genetics tell us about how and when they were domesticated and also about human migration. Tell-tale traces of lithium 6 show that a star in the constellation Hydra might have "consumed" one of its planets. What use is a micro-rocket, the size of a fingernail? New discoveries about the relationship between infections and tumors.
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.
