http://www.journals.royalsoc.ac.uk/...al,1,134;linkingpublicationresults,1:102023,1 According to the new paper, Svensmark et al. (http://www.dsri.dk/~hsv/) at the Danish National Space Center have experimentally demonstrated the Svensmark cloud-effect cosmic ray hypothesis. Here's a nifty little video describing the process, and Here's the real deal. Hypothesis: Experiment: Possible influence of heliosphere dynamics on prices from Medieval England to modern USA (Pustil’nik & Din, 2005) is pretty interesting in comparing sunspots and cosmic rays against agricultural history. This sounds pretty cool, comments?