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Sharks' conventional Gender Roles

Study of global shark DNA shows females remain in home waters while males roam the oceans. Research into making spermless embryos – playing god or a boon for the infertile? Generating your own wind power on a budget. What's the matter with anti-matter?

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26 minutes

´óÏó´«Ã½ World Service Archive

This programme was restored as part of the World Service archive project

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