Evolutionists are still failing to explain the Cambrian explosion. They struggle to explain new complexities or else try to change the subject.
By the time of his death, Stephen Jay Gould had come full circle, in effect, returning to traditional Darwinism.
This punctuated, even saltational increase in hominid skull sizes over time continues to be recognized in the literature.
Why would Eldredge and Gould propose such a model? Because they knew the data showed that potential transitional fossils are an extreme rarity.
Tiktaalik discoverer Neil Shubin from the University of Chicago searches for genetic clues between fish fins and tetrapod toes.