immune system
Interaction and mixture: big picture and small
From the level of function of a single gene up to the movements of entire populations, our evolution was built from mixture.

The pathogen side of human-pathogen interactions
In the first part of a review of pathogens in human origins, I examine a sampling of infectious diseases in people today and their diverse origins.

The top 10 discoveries about ancient people from DNA in 2022
Research on ancient genomes has moved way beyond population mixture into broader questions about how ancient people lived and interacted with their environments.

Goat immunity modified by introgression during and after domestication
A new paper in Science Advances describes some of the evidence for selection on introgressed genes in goats.