Show 674: How Double Placebos Work

Summary: Neal discusses fertiliser versus sugar, double placebos, dealing with black holes, the value of building your house in a hole,  identifying natural gas in a bar and more. There's also a new vehicle for Athy's finest fictional newsreader, Sháinne Greoige. License: Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported.