Naked Science Forum
General Discussion & Feedback => Radio Show & Podcast Feedback => Topic started by: thedoc on 01/08/2015 09:32:11
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The earliest evidence of the Earth's magnetic field has been uncovered in Australian rock samples dating back 4.4 billion years...
Read the whole story on our website by clicking here (http://www.thenakedscientists.com/HTML/science-news/news/1000756/)