A pragmatic redating of our 700 million year ancestry

As part of the second edition of the Ancestor’s Tale, I have been reassessing the dates on the backwards journey from today’s humans to the origin of animals. What is written below is rather technical, and mostly for my own benefit, and also for Richard Dawkins. Nevertheless, perhaps others may be interested in my reasoning, which I hope is seen as a pragmatic assessment of our current beliefs. Continue reading