PNAS in the News

Jet lag and Major League Baseball

Researchers report associations between jet lag and the performance of Major League Baseball teams.

     PNAS Article

Engineering a semisynthetic organism

Researchers have engineered bacteria to incorporate an expanded genetic alphabet.

      PNAS Article

Diversity of carbapenem resistance

A study of carbapenem-resistant Enterobacteriaceae (CRE) from four hospitals in Boston and California over 16 months identified extensive diversity of species, strains, and resistance mechanisms among CRE, including previously unrecognized resistance mechanisms, transfer of resistance determinants via mobile genetic elements, and evidence of local transmission despite little evidence of extensive outbreaks, suggesting transmission by asymptomatic carriers.

      PNAS Article


Teaching Resources in PNAS

As a world-class multidisciplinary research journal, PNAS offers a wealth of content—from Core Concepts articles that explain a trending topic in a given field, to the ability to quickly download figures and tables for PowerPoint slides—that will enhance course curricula and encourage classroom discussion. These informative resources are collected here in the PNAS Teaching Resources Portal.