SD Massive hidden structures deep inside Earth may explain how life began

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Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside Earth—hidden formations that have puzzled researchers for decades. New modeling suggests that slow leakage of elements from Earth’s core into the mantle prevented the planet from developing strong chemical layers after its primordial magma-ocean era.

Source: https://www.sciencedaily.com/releases/2 ... 002558.htm