# OoL digest — October 31 edition

This week we have 4 preprints and 3 new papers on the origin of life. Enjoy!

Astrobiology

Phosphine in the Venusian Atmosphere: A Strict Upper Limit from SOFIA GREAT Observations – Cordiner et al. – preprint

Community Report from the Biosignatures Standards of Evidence Workshop – Meadows et al. – preprint

Biochemistry

In vitro evolution of ribonucleases from expanded genetic alphabets – Jerome et al. – Proceedings of the National Academy of Sciences

Planetary sciences

Plate motion and a dipolar geomagnetic field at 3.25 Ga – Brenner et al. – Proceedings of the National Academy of Sciences

Planet Formation Theory in the Era of ALMA and Kepler: from Pebbles to Exoplanets – Drazkowska et al. – preprint

On the Role of $^{40}$K in the Origin of Terrestrial Life – Vladilo – Life