Continent-size islands deep inside Earth's mantle could be more than a billion years old, a new study finds. Known as large low-seismic-velocity provinces (LLSVPs), these blobs are both hotter and ...

Languages: English. You can get in touch with Alyce by emailing a.collins@newsweek.com Friends visiting a thrift store found a vintage mantel they "simply couldn't live without," but there was one ...

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