<p>The boys flap their arms at hardcore’s art-school evolution, stage-dive into post-genre euphoria, and use the scientific method to conduct an autopsy on the corpse of Turnstile’s ecstatic modern anthem, “Birds.” News items and digressions include the debut of Rock 101, where single-coils and humbuckers are dissected with the precision of bedroom tone scientists who own entirely too many guitar pedals.</p>