PNAS

Regulatory link between DNA methylation and active demethylation in Arabidopsis

Contributed by Jian-Kang Zhu, February 4, 2015 (sent for review December 20, 2014; reviewed by Jerzy Paszkowski and Yijun Qi) ...
PNAS

Retraction for Li et al., Primed 3D injectable microniches enabling low-dosage cell therapy for critical limb ischemia

Retraction for “Primed 3D injectable microniches enabling low-dosage cell therapy for critical limb ischemia,” by Yaqian Li, Wei Liu, Fei Liu, Yang Zeng, Simin Zuo, Siyu Feng, Chunxiao Qi, Bingjie ...
Proceedings of the National Academy of Sciences (PNAS)Opinion

How to revive science in America

For American science to remain cutting edge and competitive, we need to take tactical steps to foster better, more supportive ...
PNAS

The Structure of Cyameluric Acid, Hydromelonic Acid and Related Substances

The Structure of Cyameluric Acid, Hydromelonic Acid and Related Substances Linus Pauling and J. H. Sturdivant Authors Info & Affiliations ...
PNAS

On the Arithmetic in a Group Ring

On the Arithmetic in a Group Ring 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 ...
PNAS

Ocean warming enhances iron use efficiencies of marine ammonia-oxidizing archaea

Edited by Paul Falkowski, Rutgers The State University of New Jersey, New Brunswick, NJ; received October 29, 2025; accepted January 31, 2026 ...
PNAS

Dynamical Systems of Continuous Spectra

Dynamical Systems of Continuous Spectra 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 ...
PNAS

Synthetic SIGLEC9-based chimeric switch receptor augments the efficacy of CAR macrophages against glioblastoma

This work was supported by the National Key Research and Development Program of China (2024YFA0918400), National Natural Science Foundation of China (82425056, 82350125, 82173763, 82303810, 82404560, ...
PNAS

Rational quantum mechanics: Testing quantum theory with quantum computers

Is there a fundamental reason why quantum computers cannot factor large integers used for encryption today? We introduce a theory of quantum physics based on the notion that the continuum nature of ...
PNAS

SonoPIN enables precise, noninvasive, and efficient intracellular delivery of PROTACs

Contributed by Stephen J. Benkovic; received December 17, 2025; accepted February 4, 2026; reviewed by Daniel Ahmed, Wei Gao, and Xuanhe Zhao Targeted intracellular delivery of large therapeutic ...
PNAS

GRAVITATION AND THE ELECTRON

GRAVITATION AND THE ELECTRON1 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 ...
PNAS

High bacterial diversity drives the suppression of a soilborne plant disease

Contributed by James Tiedje; received April 23, 2025; accepted January 26, 2026; reviewed by Gwyn A. Beattie and Corné M. Pieterse Soilborne diseases pose a significant threat to plant health, often ...