Eutherian mammals living in China after the end-Cretaceous extinctions evolved larger tooth sizes first before becoming more specialized in their biting performance, mirroring a similar pattern in brain evolution.
Tom Louis Ducrocq, Damien Laporte, Bertrand Daignan-Fornier
A genetic analysis in yeast establishes that multicellularity can arise as a side-effect (passenger phenotype) of a completely independent fitness advantage unrelated to the benefits of group formation itself.
Iman Hamid, Ólavur Mortensen ... Noomi O Gregersen
Present-day Faroese genomes reveal ancestry, bottleneck history, and signatures of selection, and offer a foundation for understanding the genetic architecture of health and disease in this North Atlantic founder population.