Deep beneath the ocean floor, ancient sediments hint that Earth’s magnetic field sometimes changed far more slowly than expected.
Earth’s magnetic field and atmospheric oxygen appear to have moved in sync for half a billion years, pointing to a surprising connection between the planet’s deep interior and life-supporting ...
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Cyber doomsday? Why experts say a massive internet blackout is coming
Warnings about a looming “cyber doomsday” are no longer confined to prepper forums. From solar physicists tracking an unusually active Sun to security analysts modeling cascading failures across cloud ...
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