Proceedings of the National Academy of Sciences (PNAS)

Learn from the blame game when AI causes harm

This case illustrates a recurring dilemma in AI governance. As large language models (LLMs) and autonomous decision-making ...
PNAS

Retraction for Liaki et al., A targeted combination therapy achieves effective pancreatic cancer regression and prevents tumor resistance

The editors are retracting this article due to an undisclosed relevant competing interest at the time of submission. NAS Member Contributing author, Mariano Barbacid, and two coauthors, Vasiliki Liaki ...
PNAS

Associative learning in the cnidarian Nematostella vectensis

Cnidaria, the sister group of Bilateria, include corals, jellyfish, and sea anemones. They possess neurons, which are organized in a diffuse nerve net. It is generally agreed that cnidarian and ...
PNAS

Editorial and Journal Policies

The PNAS Editorial Board is made up of NAS members who are active scientists and experts in their fields. On submission, your paper is assigned to an Editorial Board member in one of the 31 NAS ...
PNAS

FORMATION AND DETECTION OF RNA-DNA HYBRID MOLECULES IN CYTOLOGICAL PREPARATIONS

A technique is described for forming molecular hybrids between RNA in solution and the DNA of intact cytological preparations. Cells in a conventional tissue squash are immobilized under a thin layer ...
PNAS

In This Issue

Foraging honey bees (Apis mellifera) returning to the hive can perform waggle dances to communicate the direction and distance of a food source to nestmates. The waggle dance is considered a one-way ...
PNAS

In This Issue

MethylScan enables cell-free DNA methylome sequencing and noninvasive and simultaneous detection of multiple diseases. Image credit: Shakil Ahmad (artist). Human remains from archaeological sites in ...
PNAS

A Biometric Study of Human Basal Metabolism

A Biometric Study of Human Basal Metabolism 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

STABLE BUNDLES AND UNITARY BUNDLES ON A COMPACT RIEMANN SURFACE

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 following publication. Citation ...
PNAS

Proof of the Ergodic Theorem

Proof of the Ergodic Theorem Two such sets S λ * belonging to different λ ’s are evidently distinct except for a set of measure 0. Hence there can exist only a numerable set S λ i * (i = 1, 2,) of ...
PNAS

Publication Charges

PNAS depends, in part, on the payment of article processing charges (APCs) to finance its operations. Papers are accepted or rejected for publication and published solely on the basis of merit. For ...
PNAS

Mechanism of DNA chain growth. I. Possible discontinuity and unusual secondary structure of newly synthesized chains.

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 following publication. Citation ...