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Proceedings of the National Academy of Sciences Issues Research Articles in Vol. 120, No. 20
May 09, 2023
WASHINGTON, May 9 -- The Proceedings of the National Academy of Sciences, a peer-reviewed scientific journal, published research articles on the following topics in its Vol. 120, No. 20 edition:

Biological Sciences:

* Reconstructing Middle and Upper Paleolithic human mobility in Portuguese Estremadura through laser ablation strontium isotope analysis

* Body size predicts the rate of contemporary morphological change in birds

* Croquemort elici . . .

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