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Message: <blockquote data-quote="MoonSong" data-source="post: 9722633" data-attributes="member: 6689464">The thing is, we don't even know if the universe is infinite. We are trapped inside a relatively small (but actually immense) bubble outside of which we cannot know anything. And as time passes, that bubble will turn smaller and more stuff will be outside. Maybe not intelligence, but at least memory. The brain consumes a lot of energy to work and develop. And the fact is, our brains are smaller than our pre-sedentary ancestors'. There is a selective pressure for them to not be as big, otherwise the reduced capacity wouldn't have been preserved.  This pressure remains and is observable with stuff as simple as reliance on GPS navigation. The areas for orientation in heavy users of Waze and Maps are smaller than in people who don't use them as much. (And traditional Taxi drivers have these areas overdeveloped) We have the biological potential for a lot of activities, but when we don't do these, the brain parts related to that ability shut down. The brain actively resists using it despite not being malnourished -though stress is also a factor-.</blockquote>