PNAS in the News

Childhood environments and mental health

Being surrounded by nature during childhood is tied to a lowered risk of developing psychiatric disorders, and integrating natural environments into urban areas may thus improve city dwellers’ mental health, according to a study.

Greenspace. Image courtesy of Pixabay/Skitterphoto.

NPR ●  Smithsonian ●  PNAS Article

How grapes produce sparks in microwave ovens

Researchers provide a physical explanation for a popular online parlor trick, in which irradiating grape halves in a household microwave oven produces plasma, lending insights that could aid research in nanophotonics.

Plasma formed between a pair of hydrogel beads irradiated in a household microwave oven. Image courtesy of Hamza K. Khattak.

Wired ●  NY Times ●  PNAS Article

Rapid normalization of changing weather

People use temperatures from the previous 2–8 years as a normal baseline against which to evaluate current weather, and because this baseline adjusts quickly, major warming expected from climate change in the 21st century may not be perceived as remarkable, a study suggests.

Desert. Image courtesy of Pixabay/_Marion.

NY Times ● Washington Post ●  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.


Apr 16, 2019
Canonical URL: Profile of Zhisheng An
Apr 15, 2019
Mar 26, 2019
Canonical URL: Profile of Paul E. Olsen
Mar 04, 2019


Parenting and STEM careers
Erin Cech discusses parenting and gender disparities among STEM professionals. Image courtesy of Pixabay/Clker-Free-Vector-Images.