Friday, November 17, 2017

The Brain is a Universe Unto Itself


Our eyes are not transparent windows to the outside world, despite evolution’s brilliant illusion.
When we think we’re walking the streets of a city, we’re really strolling the neural paths of our brains. Everything that appears to be outside is really inside. For all intents and purposes, there is no outside.
The brain is a universe unto itself: billions of twinkling neurons, dendrites splayed like fingers reaching for the beginning of time, chemical messengers leaping across the mindless darkness of deep intracranial space.

–Amanda Gefter
Trespassing on Einstein’s Lawn

Annual rings of a pine tree trunk,
microscopic view, 1931


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