The hair overrides the brain. I suppose that's fairly similar to Doc. Oc. Being controlled by his tentacles. Also, regarding the first few pages, we're still technically in an ice age as we speak, it just isn't an intense flare up. I learned a bit ago that that just means the caps have ice on them (or that glaciers exist anywhere in the surface). Oht popular perception of an ice age is a thing, it's just a particularly strong flare up of ice within an ice age. The opposite, a greenhouse period, is when all water on the surface is liquid (or gaseous) more or less