Skip to main content

Main menu

Home
Articles
Front Matter
- Front Matter Portal
- Journal Club
News
Podcasts
Authors
Submit

Submit
About
Contact
Journal Club
Subscribe

User menu

Log in
My Cart

Search

Search for this keyword

Advanced search

Log in
My Cart

Search for this keyword

Advanced Search

Home
Articles
Front Matter
- Front Matter Portal
- Journal Club
News
Podcasts
Authors
Submit

Archive of all online content

January 01, 1915 - March 23, 2021

Show Covers?

Volume 111

December

December 30, 2014 : Vol. 111, Issue 52
December 23, 2014 : Vol. 111, Issue 51
December 16, 2014 : Vol. 111, Issue 50
December 09, 2014 : Vol. 111, Issue 49
December 02, 2014 : Vol. 111, Issue 48

November

November 25, 2014 : Vol. 111, Issue 47
November 18, 2014 : Vol. 111, Issue 46
November 11, 2014 : Vol. 111, Issue 45
November 04, 2014 : Vol. 111, Issue 44

October

October 28, 2014 : Vol. 111, Issue 43
October 21, 2014 : Vol. 111, Issue 42
October 14, 2014 : Vol. 111, Issue 41
October 07, 2014 : Vol. 111, Issue 40

September

September 30, 2014 : Vol. 111, Issue 39
September 23, 2014 : Vol. 111, Issue 38
September 16, 2014 : Vol. 111, Issue Supplement 4
September 16, 2014 : Vol. 111, Issue 37
September 09, 2014 : Vol. 111, Issue 36
September 02, 2014 : Vol. 111, Issue 35

August

August 26, 2014 : Vol. 111, Issue 34
August 19, 2014 : Vol. 111, Issue 33
August 12, 2014 : Vol. 111, Issue 32
August 05, 2014 : Vol. 111, Issue 31

July

July 29, 2014 : Vol. 111, Issue 30
July 22, 2014 : Vol. 111, Issue Supplement 3
July 22, 2014 : Vol. 111, Issue 29
July 15, 2014 : Vol. 111, Issue 28
July 08, 2014 : Vol. 111, Issue 27
July 01, 2014 : Vol. 111, Issue 26

June

June 24, 2014 : Vol. 111, Issue Supplement 2
June 24, 2014 : Vol. 111, Issue 25
June 17, 2014 : Vol. 111, Issue 24
June 10, 2014 : Vol. 111, Issue 23
June 03, 2014 : Vol. 111, Issue 22

May

May 27, 2014 : Vol. 111, Issue 21
May 20, 2014 : Vol. 111, Issue 20
May 13, 2014 : Vol. 111, Issue 19
May 06, 2014 : Vol. 111, Issue 18

April

April 29, 2014 : Vol. 111, Issue 17
April 22, 2014 : Vol. 111, Issue 16
April 15, 2014 : Vol. 111, Issue 15
April 08, 2014 : Vol. 111, Issue 14
April 01, 2014 : Vol. 111, Issue 13

March

March 25, 2014 : Vol. 111, Issue Supplement 1
March 25, 2014 : Vol. 111, Issue 12
March 18, 2014 : Vol. 111, Issue 11
March 11, 2014 : Vol. 111, Issue 10
March 04, 2014 : Vol. 111, Issue 9

February

February 25, 2014 : Vol. 111, Issue 8
February 18, 2014 : Vol. 111, Issue 7
February 11, 2014 : Vol. 111, Issue 6
February 04, 2014 : Vol. 111, Issue 5

January

January 28, 2014 : Vol. 111, Issue 4
January 21, 2014 : Vol. 111, Issue 3
January 14, 2014 : Vol. 111, Issue 2
January 07, 2014 : Vol. 111, Issue 1

Proceedings of the National Academy of Sciences: 118 (9)

Sign up for the PNAS Highlights newsletter to get in-depth stories of science sent to your inbox twice a month:

Sign up for Article Alerts

SUBMIT AN ARTICLE

Submit papers

Call for Papers:
Physical and Social Sciences
Submit Author Center

Most Read
Most Cited

An evidence review of face masks against COVID-19
The impact of COVID-19 on small business outcomes and expectations
Experienced well-being rises with income, even above $75,000 per year
A genomic region associated with protection against severe COVID-19 is inherited from Neandertals
A trait-based understanding of wood decomposition by fungi

Submit Manuscript
Twitter
Facebook
RSS Feeds
Email Alerts

Articles

Current Issue
Special Feature Articles – Most Recent
List of Issues

PNAS Portals

Anthropology
Chemistry
Classics
Front Matter
Physics
Sustainability Science
Teaching Resources

Information

Authors
Editorial Board
Reviewers
Subscribers
Librarians
Press
Site Map
PNAS Updates
FAQs
Accessibility Statement
Rights & Permissions
About
Contact

Feedback Privacy/Legal

Copyright © 2021 National Academy of Sciences. Online ISSN 1091-6490