Institutional legitimacy is essential for democracies, yet public trust and confidence in the United States Congress are at an all-time low. A significant predictor of attitudes toward Congress is ...

The world is in a battle for truth. A cadre of researchers is eagerly seeking ways to stymie the spread of mis- and disinformation. The stakes are high. Social media have become an accelerant for the ...

We are updating our policy regarding the availability of data, with an emphasis on visual data, effective January 1, 2024. Image credit: François Parcy. PNAS strives to promote and endorse best ...

Note: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear immediately following publication. Citation ...

The enzymatic conversion of heme to bilirubin by microsomal heme oxygenase. R Tenhunen, H S Marver, and R Schmid Authors Info & Affiliations ...

Journal Club posts are short news stories featuring a recent important, timely journal article selected by one of our Journal Club panelists, who are post-doctoral associates and graduate students in ...

Minimax Theorems* Note: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear immediately following ...

Catabolic repression of bacterial sporulation. Note: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear ...

FOSSILS, EARLY LIFE, AND ATMOSPHERIC HISTORY Note: The article usage is presented with a three- to four-day delay and will update daily once available. Due to ths delay, usage data will not appear ...

Various self-service options are available to institutional administrators at subscribing institutions. Select a topic below for step-by-step instructions and video guides. New administrators must ...

We study ionic current fluctuations in solid-state nanopores over a wide frequency range and present a complete description of the noise characteristics. At low frequencies (f ≲ 100 Hz) we observe ...

One crucial element for the evolution of cooperation may be the sensitivity to others' efforts and payoffs compared with one's own costs and gains. Inequity aversion is thought to be the driving force ...