Special Features in PNAS are curated collections of articles that explore significant topics in areas of interest to PNAS readers and make important contributions to the science and literature. Topics are often interdisciplinary and may be in emergent fields or those underrepresented in PNAS. PNAS is committed to racial, gender, and geographical diversity in the organization and authorship of Special Features.
Special Features
Special Features in PNAS are curated collections of articles that explore significant topics in areas of interest to PNAS readers and make important contributions to the science and literature. Topics are often interdisciplinary and may be in emergent fields or those underrepresented in PNAS. PNAS is committed to racial, gender, and geographical diversity in the organization and authorship of Special Features.
Beyond Cases and Deaths: The Benefits of Auxiliary Data Streams in Tracking the COVID-19 Pandemic
DECEMBER 14, 2021; 118 (50)
Dynamics of Political Polarization
OCTOBER 5, 2021; 118 (40)
Tropical Forests as Key Sites of the Anthropocene
SEPTEMBER 7, 2021; 118 (37)
Membrane Separations Science
JULY 20, 2021; 118 (29)
Advancing Understanding of Common Pool Resource Management
Chaos of Captivity 
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