OK, a very full show this week. Britain's Defence Ministry releases some secret files on UFOs. Also, Google tries to help a remote tribe in the Brazilian Amazon. Then, to Estonia for a report on plans for a new Nato cyber-defense center. We'll also have a podcast exclusive interview with some scientists who've developed a low cost way to test for diseases in the developing world. And finally, a band from Manchester, England gets CCTV fever.

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