This week we have 21 new papers on the origin of life. Enjoy!

Astrobiology

Photostability of polycyclic aromatic hydrocarbons in hydrated magnesium sulfate under Martian ultraviolet irradiation to assist organics detection on Mars
Alberini et al. — Scientific Reports

The discovery of the first Earth cousin and the search for life elsewhere
Arney — Nature Astronomy

On Bayesian inference considerations and other issues concerning Drake's equation of Astrosociobiology
Bertolami — preprint

On the transitional character and regularity of planetary abiogenesis
Dolgikh — BioSystems

Sample Preparation for MALDI-TOF Mass Spectrometry of Model Prebiotic Reactions in Simulated Ocean World Environments
Dzurilla et al. — ACS Omega

Minimum Sample Size Calculation for Multivariable Regression of Continuous Outcomes in Chemometrics for Astrobiology and Planetary Science
Konstantinidis et al. — preprint

Discriminating abiotic and biotic organics in meteorite and terrestrial samples using machine learning on mass spectrometry data
Saeedi et al. — PNAS Nexus

Modeling Photoprotection of Ultraviolet C Radiation by Ferric Ions and Implications for the Habitability of Ancient Martian Lakes
Silva et al. — Astrobiology

Terrestrial iron biosignatures and their potential in solar system exploration for astrobiology
Tenelanda-Osorio et al. — Earth-Science Reviews

High-resolution analysis of clay minerals and amorphous materials in martian analog environments
Thorpe et al. — American Mineralogist

Biochemistry

Mineral-guided molecular enrichment: An interfacial driving force for protocell emergence on early Earth
Chen et al. — preprint

First growth, then information: the path to genetic heredity in protocells
Palmeira et al. — preprint

Adenine DNA methylation associated with transcriptionally permissive chromatin is widespread across eukaryotes
Romero Charria et al. — Nature Genetics

Computational Biology

Self-Organization Dynamics Beyond Equilibrium: Discreteness, Computation, and Rules of Life
Youk — preprint

Geoscience

Magmatic and thermally produced reactive phosphorus 3.2 billion years ago and its implications for early life
Baidya et al. — Communications Earth & Environment

Deep mantle heterogeneities formed through a basal magma ocean contaminated by core exsolution
Deng et al. — Nature Geoscience

Magmatic immiscibility provides phosphate for prebiotic chemistry
Weller et al. — Science Advances

Mathematical Biology

Kullback-Leibler Potential for Non-Ergodic Replication Dynamics:An Information-Theoretic Second Law
Tsuruyama — preprint

Microbiology

Rare microbial relict sheds light on an ancient eukaryotic supergroup
Valt et al. — Nature

Planetary Sciences

An Earthlike Density for the Temperate Earth-sized Planet GJ 12 b
Brady et al. — The Astronomical Journal

Organic geochemical evidence for life in Archean rocks identified by pyrolysis–GC–MS and supervised machine learning
Wong et al. — Proceedings of the National Academy of Sciences