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Link between Hormone and Vulnerability to HIV
Progesterone and HIV; sub-glacial volcano erupts in Iceland; why the early Earth was like Jupiter; mobile phone interference threat to radio astronomy; the very small array telescope; advice from the birds and bees.
±«Óătv World Service Archive
This programme was restored as part of the World Service archive project
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Science In Action
The ±«Óătv brings you all the week's science news.
