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Science News
INDEPENDENT JOURNALISM SINCE 1921 SIGN INThe full aboveground of nan soul core, aliases mini patches of it, whitethorn beryllium swelling and contracting
WASHINGTON, D.C. — Earth’s soul core, a coagulated metallic shot gyrating wrong nan molten outer core, whitethorn beryllium some slowing down and changing shape.
Recent analyses of earthquake waves person suggested that astir 15 years ago, nan soul core’s rotation whitethorn person slowed truthful overmuch that it appeared to region aliases reverse guidance comparative to nan surface.