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Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.

Salt lake cityUnited statesUniversity of utahBaja californiaBritish columbiaSan diegoIsaac hartJack broughtonLaguna pallcacochaDan sandweissLos escorpionesUniversity of maineSouth americaAbrigo de los escorpionesSalt lake