The sons of Adam: spirit, not blood
Hominin increase in cranial capacity, courtesy of Luke Jostins A few years ago a statistical geneticist at Cambridge’s Sanger Institute, Luke Jostins, posted the chart above using data from fossils on cranial capacity of hominins (the human lineage). As you can see there was a gradual increase in cranial capacity until ~250,000 years before the present, […]
Evolution in higher dimensions
Ornithomimosaurian dinosaur & ostrich, image credit Nobu Tamura & James G. Howes
The Pith: This post explores evolution at two different scales: the broad philosophical and the close in genetic. Philosophically, is evolution a highly conti…
The inevitable social brain
One of the most persistent debates about the process of evolution is whether it exhibits directionality or inevitability. This is not limited to a biological context; Marxist thinkers long promoted a model of long-term social determinism whereby human groups progressed through a sequence of modes of production. Such an assumption is not limited to […]