OoL digest — January 15 edition
This week we have 16 new papers on the origin of life. Enjoy!
Astrobiology
Astrobiological Potential of Venus Atmosphere Chemical Anomalies and Other Unexplained Cloud Properties
Petkowski et al. – preprint
Distinguishing oceans of water from magma on mini-Neptune K2-18b
Shorttle et al. – preprint
An information theory approach to identifying signs of life on transiting planets
Vannah et al. – Monthly Notices of the Royal Astronomical Society: Letters
Astrophysics
A radius valley between migrated steam worlds and evaporated rocky cores
Burn et al. – preprint
Setting the stage for the search for life with the Habitable Worlds Observatory: Properties of 164 promising planet survey targets
Harada et al. – preprint
FlopPITy: Enabling self-consistent exoplanet atmospheric retrievals with machine learning
Martínez et al. – preprint
Weakened Magnetic Braking in the Exoplanet Host Star 51 Peg
Metcalfe et al. – The Astrophysical Journal Letters
Are we visible to advanced alien civilizations?
Osmanov – Acta Astronautica
Biology
The geologic history of primary productivity
Crockford et al. – Current Biology
Chemistry
Meteorite Parent Body Aqueous Alteration Simulations of Interstellar Residue Analogs
Qasim et al. – ACS Earth and Space Chemistry
Cosmology
Is it possible to know cosmological fine-tuning?
Díaz-Pachón et al. – preprint
Microbiology
Environment and taxonomy shape the genomic signature of prokaryotic extremophiles
Arias et al. – Scientific Reports
Single-cell analysis in hypersaline brines predicts a water-activity limit of microbial anabolic activity
Paris et al. – Science Advances
Generation of long-chain fatty acids by hydrogen-driven bicarbonate reduction in ancient alkaline hydrothermal vents
Purvis et al. – Communications Earth & Environment
Network studies unveil new groups of highly divergent proteins in families as old as cellular life with important biological functions in the ocean
Sussfeld et al. – preprint
Planetary science
Accretion of the earliest inner Solar System planetesimals beyond the water snowline
Grewal et al. – Nature Astronomy