525-million-year-old fossil defies textbook explanation for brain evolution 

Fossils of a tiny sea creature that died more than half a billion years ago may compel a science textbook rewrite of how brains evolved. Source: 525-million-year-old fossil defies textbook explanat…

Source: 525-million-year-old fossil defies textbook explanation for brain evolution – 1848+: The End(s) of History

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