Scientists warn Earth's magnetic North Pole has begun moving 'erratically'
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Earth's magnetic field is what allows us to exist. It deflects harmful radiation. It keeps our water and atmosphere in place. But now it's acting up — and nobody knows why. Planet Earth is alive. Deep beneath its skin, its life blood — rivers of molten iron — pulse around its core.
from https://www.nzherald.co.nz/world/news/article.cfm?c_id=2&objectid=12189330
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