Researchers analyzed more than 550 new and previously sequenced exomes for individuals from African rainforest hunter-gatherer and farming populations, searching for local adaptations.
By studying koalas and a retrovirus that infects them, researchers may have uncovered a new sort of 'immune response' that occurs at the genomic level, Agence France Presse reports.
In Science this week: ancient genomes reveal social inequality within individual households, new method for quantifying genetic variation in gene dosage, and more.
