Computational Biology
Four types of protein folding energy landscapes from left to right: smooth funnel, rugged funnel with kinetic traps, moat funnel, and champagne glass funnel

Funnels, Pathways, and Energy Landscapes of Protein Folding

This paper resolves Levinthal’s paradox by replacing the single-pathway view with a statistical energy landscape approach. It introduces the concepts of the folding funnel, the glass transition in proteins, and the ‘stability gap’ as a design principle for foldable sequences.

Evolutionary Biology
Electron microscope image of Pyrolobus fumarii showing irregular coccoid cell structure

Three Domains of Life: Woese's Phylogenetic Revolution

This paper established the three-domain classification system (Bacteria, Archaea, Eucarya) based on molecular evidence from ribosomal RNA sequences, arguing that the prokaryote-eukaryote dichotomy obscures the deep evolutionary divergence of Archaea from Bacteria.

Planetary Science
Venus as seen by Mariner 10, showing swirling cloud patterns in the dense atmosphere

Life on Venus? Astrobiology and the Habitability Limits

A deep dive into the physical limits of life on Venus, reviewing Charles Cockell’s foundational 1999 analysis while connecting it to modern discoveries like the 2020 phosphine detection and upcoming DAVINCI+ missions.

Evolutionary Biology
A reconstruction of LUCA within its evolutionary and ecological context

The Nature of LUCA and Its Impact on the Early Earth System

A comprehensive phylogenomic study dating LUCA to ~4.2 Ga and reconstructing it as a complex, anaerobic acetogen. The authors apply the cross-bracing molecular clock method alongside gene-tree-species-tree reconciliation to infer that LUCA possessed an early immune system and lived within a hydrogen-recycling ecosystem.