earth magnetic field – GLOBAL IDEAS Blog https://blogs.dw.com/globalideas Thinking for a cooler world Thu, 02 Oct 2014 08:32:05 +0000 en-GB hourly 1 North pole changes places https://blogs.dw.com/globalideas/north-pole-changes-places/ Mon, 20 May 2013 12:37:16 +0000 http://blogs.dw.com/globalideas/?p=10535