Download For Eternity Cate Fogarty is the Callenphate's Chief Artillery Officer and has been making pretty amazing knowledge bombs for MixedMentalArts.co. If you want to help Cate in her work as The Callenphate's Chief Artillery Officer, you can contact her on Twitter at @cateclysmic or find her in the Mixed Mental Arts Facebook group. You too can make #knowledgebombs! In this #knowledgebomb, she covers The Dunbar Number. You can read the original article at mixedmentalarts.co/thedunbarnumber As always, all t-shirt sales and Patreon.com/mixedmentalarts donations go to fund intellectual terrorism. So many minds need to be blown and with people like Cate on the team...nobody's pre-conceived notions are safe!