Proceedings of the National Academy of Sciences (PNAS)

Intercalated bacterial biofilms are intrinsic internal components of calcium-based kidney stones

Calcium oxalate stones comprise greater than 70% of all kidney stones. In the current conceptual framework, the initial stone ...
Proceedings of the National Academy of Sciences (PNAS)

Identifying variation in dinosaur footprints and classifying problematic specimens via unbiased unsupervised machine learning

Machine learning holds great promise for classifying and identifying fossils, and has recently been marshaled to identify trackmakers of dinosaur ...
Proceedings of the National Academy of Sciences (PNAS)

Table Of Contents Page, PNAS Volume 123, Number 6

The Middle Pleistocene (MP; ca. 774 to 129 ka) marks a critical period of human evolution, characterized by increasing ...
PNAS

MALT1 inhibitor MI-2 induces ferroptosis by direct targeting of GPX4

Ferroptosis, a form of cell death driven by excessive lipid peroxidation, is induced by inhibiting GPX4, a key regulator of ferroptosis. Wang et al. reported that MALT1 protease activity regulates ...
PNAS

Abstracting and Indexing

PNAS is indexed in PubMed. All PNAS articles are deposited upon publication and discoverable within one week of online publication. PNAS is indexed in PubMed Central (PMC). All PNAS articles are ...
PNAS

Quantum heat engine power can be increased by noise-induced coherence

Open in Viewer (A) Schematic of a photocell consisting of quantum dots sandwiched between p and n doped semiconductors. Open circuit voltage and solar photon energy ℏνh are related by the Carnot ...
PNAS

Engineering asymmetric vesicles

Vesicles are bilayers of lipid molecules enclosing a fixed volume of aqueous solution. Ubiquitous in cells, they can be produced in vitro to study the physical properties of biological membranes and ...