Our care and treatment of animals arise from human duties, not conjuring rights for animals out of ideological zeal.
Molecular clocks are a relatively simple concept.
Our brains have vastly more ability than is needed for survival, most notably the capacity for language and abstract thought.
Basically, it’s a how-to guide for sugarcoating evolutionary dogma in the science classroom.
His choice of targets for criticism and for praise have a lot more to do with his particular agenda than the defects or merits of those whom he critiques.