1. The Multiple Paths to Multiple Life

   • Christopher P. Kempes
   • David C. Krakauer

   Review Open access 12 July 2021 Pages: 415 - 426

   

2. The Origin(s) of Cell(s): Pre-Darwinian Evolution from FUCAs to LUCA

   • Shiping Tang

   Original Article 25 June 2021 Pages: 427 - 447

   

3. Genome Scan for Variable Genes Involved in Environmental Adaptations of Nubian Ibex

   • Vivien J. Chebii
   • Emmanuel A. Mpolya
   • J. Musembi Mutuku

   Original Article Open access 17 June 2021 Pages: 448 - 457

   

4. Molecular Evolution of Tooth-Related Genes Provides New Insights into Dietary Adaptations of Mammals

   • Yuan Mu
   • Ran Tian
   • Guang Yang

   Original Article Open access 21 July 2021 Pages: 458 - 471

   

5. Stoichiometric Modeling of Artificial String Chemistries Reveals Constraints on Metabolic Network Structure

   • Devlin Moyer
   • Alan R. Pacheco
   • Daniel Segrè

   Original Article Open access 06 July 2021 Pages: 472 - 483

   

6. The Evolutionary Fate of Mitochondrial Aminoacyl-tRNA Synthetases in Amitochondrial Organisms

   • Gabor L. Igloi

   Original Article Open access 12 July 2021 Pages: 484 - 493

   

7. Molecular Evolution of clock Genes in Vertebrates

   • Yang Mao
   • Feng Shao
   • Zuogang Peng

   Original Article 23 July 2021 Pages: 494 - 512