for scene 7 of the video " Ice Age of the dimmer Sun in 30 years - 8 Dawn of humanity" by Rolf Witzsche
here for a larger image
The interaction between cosmic-ray flux and human development
The interaction between cosmic-ray flux and human development is surprisingly evident when we look back into the history of civilization as it developed in the current interglacial period where some cosmic-ray flux is received from the Sun, primarily during the cold periods.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.