EP116 Doug Erwin on the Cambrian Explosion

Doug Erwin talks to Jim about his book, The Cambrian Explosion: The Construction of Animal Biodiversity. They cover the unprecedentedly rapid evolution of life seen during the Cambrian explosion (approx 540 million BCE), archeological dating techniques & accuracy, micro-evolution vs macro-evolution, environmental potential, ecological opportunity and challenges, genetic/developmental contexts, continental landmass locations, pre-Cambrian multicellularity, ocean oxygen levels, snowball earth epoch, predation as an evolutionary driver, changes in species physical sizes, development of circulatory systems and neurons, brain evolution, niche construction & ecosystem engineering, evolutionary investment strategies, Cambrian taxonomic diversity, the Fermi paradox, and much more.

Om Podcasten

Crisp conversations with critical thinkers at the leading edge of science, technology, politics, and social systems.