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Science and technology writer Chris Baraniuk on migrating swifts in Northern Ireland.
Programme WebsiteUse Ä¢¹½¶ÌÊÓƵ.com or the new Ä¢¹½¶ÌÊÓƵ App to listen to Ä¢¹½¶ÌÊÓƵ podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
Science and technology writer Chris Baraniuk on migrating swifts in Northern Ireland.
Programme Website