An obsession with the availability of elements and building blocks on the early earth dodges the real issue in explaining life.
Evolve brains in the Cambrian explosion? Just assume they come in with a bang. Somehow.
Researchers seeking to explain away the Cambrian evolution without intelligent design are left with a tough choice.
Squiggles once attributed to emerging complex animals could have been made by microbes instead.
Evolutionists are still desperate to find a long fuse for the Cambrian explosion.