Une étude rassurante sur l’état de notre bouclier magnétique : http://news.mit.edu/2015/earth-not-due-geomagnetic-flip-near-future-1123 (free).
« But according to a new MIT study in the Proceedings of the National Academy of Sciences, the geomagnetic field is not in danger of flipping anytime soon: The researchers calculated Earth’s average, stable field intensity over the last 5 million years, and found that today’s intensity is about twice that of the historical average. »
