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Scientists Bring Global Pole Shift Fears Into Focus ancient-origins.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ancient-origins.net Daily Mail and Mail on Sunday newspapers.
Ancient Trees Chart Last Reversal of Earth's Magnetic Field technologynetworks.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from technologynetworks.com Daily Mail and Mail on Sunday newspapers.
Credit: Nelson Parker The last complete reversal of the Earth s magnetic field, the so-called Laschamps event, took place 42,000 years ago. Radiocarbon analyses of the remains of kauri trees from New Zealand now make it possible for the first time to precisely time and analyse this event and its associated effects, as well as to calibrate geological archives such as sediment and ice cores from this period. Simulations based on this show that the strong reduction of the magnetic field had considerable effects in the Earth s atmosphere. This is shown by an international team led by Chris Turney from the Australian University of New South Wales, with the participation of Norbert Nowaczyk from the German Research Centre for Geosciences Potsdam and Florian Adolphi from the Alfred Wegener Institute, in a study that now appears in the journal ....
February 18, 2021 at 3:02 pm A flip-flop of Earth’s magnetic poles between 42,000 and 41,000 years ago briefly but dramatically shrank the magnetic field’s strength and may have triggered a cascade of environmental crises on Earth, a new study suggests. With the help of new, precise carbon dating obtained from ancient tree fossils, the researchers correlated shifts in climate patterns, large mammal extinctions and even changes in human behavior just before and during the Laschamps excursion, a brief reversal of the magnetic poles that lasted less than a thousand years. It’s the first study to directly link a magnetic pole reversal to large-scale environmental changes, the team reports in the Feb. 19 ....
The Borax Conspiracy – How the Arthritis Cure has been stopped – Infinite Unknown infiniteunknown.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from infiniteunknown.net Daily Mail and Mail on Sunday newspapers.