Episode 4: This week in the QI Office Dan Schreiber (@schreiberland), James Harkin (@eggshaped), Anna Ptaszynski (@nosuchthing) and Andrew Hunter Murray (@andrewhunterm) discuss cavemen, spiders, fictitious mountains and immortal souls. For more, check out www.qi.com/podcast Theme Tune: "Wasps" by Emperor Yes. Buy on iTunes now.