Tag: Colin Barras
Worming Evolution into the Cambrian Explosion
A new fossil worm from the closing days of the Ediacaran is being celebrated as a missing link that demonstrates a gradual Cambrian diversification, not an explosion.
On Human Origins, the Need for Theory Evaluation
There are conflicting evidences, a lack of details, opposing hypotheses held with great confidence, and a wide range of explanatory mechanisms that are routinely used as needed.