OoL digest — August 8st edition

Good morning everyone! This week we have a very diverse digest. In Astrobiology, Adams investigates nitrogen fixation processes in Early Mars’ atmosphere, Ilin examined TESS’ data and found that stellar flares would be less harmful to exoplanets than previously thought, and Milojevic analyzes the presence of phosphorus (not phosphine this time!) in the Venusian cloud deck and it’s eventual role in a biochemical cycle. In Biochemistry, we have an article by Bozdag that reports an experiment on snowflake yeast evolution towards multicellularity, and a preprint by Caldararo examines the optimality of the genetic code with respect to the partition energy of amino acids. Finally, in Geoscience, Klatt reports an experiment suggesting that increasing day length in Earth’s history could have contributed to the GOE. Happy reading !!

Astrobiology

Nitrogen Fixation at Early Mars – Adams et al. – Astrobiology

Giant white-light flares on fully convective stars occur at high latitudes – Ilin et al. – preprint

Phosphorus in the Clouds of Venus: Potential for Bioavailability – Milojevic et al. – Astrobiology


Biochemistry

De novo evolution of macroscopic multicellularity – Bozdag et al. – preprint

The genetic code is very close to a global optimum in a model of its origin taking into account both the partition energy of amino acids and their biosynthetic relationships – Di Giulio et al. – preprint


Geoscience

Possible link between Earth’s rotation rate and oxygenation – Klatt et al. – Nature Geoscience

Alexandre Champagne‑Ruel
Alexandre Champagne‑Ruel
PhD Candidate - Astrophysics

My research interests include statistical physics, complex systems and major evolutionary transitions.