PNAS in the News

Loss of Greenland Ice Sheet mass

Since 1972, ice loss from Greenland has contributed to an estimated 13.7 mm rise in global sea level, with the largest contributions coming from northwest, southeast, and central west Greenland, according to a study.

Image courtesy of Eric Rignot.

CNN ●  Washington Post ●  PNAS Article

Economic inequality and global warming

Global warming has likely increased the economic disparity between the top and bottom population deciles across the world, thereby generating greater economic inequality than would have occurred without global warming, according to a study.

Image courtesy of Noah S. Diffenbaugh and Marshall Burke.

NY Times ●  USA Today ●  PNAS Article

Social aphids defend colonies against predators

Some species of aphids use a form of social defense to protect colonies from predators, uncovering potential molecular clues to the evolutionary roots of altruistic social defense, according to a study.

Image courtesy of Mayako Kutsukake.

Guardian ●  Science News ●  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.


Canonical URL: Profile of David D. Ginty
Jun 18, 2019
Jun 17, 2019
Canonical URL: Profile of Junying Yuan
Jun 11, 2019
May 28, 2019
Canonical URL: Profile of Paul E. Olsen
May 28, 2019


Noah Diffenbaugh and Marshall Burke discuss how global warming impacts economies and income inequality.