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Free Science and Video Lectures Online A nice blog collecting science videos. The most recent post on Cognitive Computing, Consciousness, Science Philosophy and Mind Video Lectures has some hum-dingers.
posted by MetaMonkey on Dec 30, 2006 - 10 comments

The Origin of Art in Entoptic Phenomena Relatively recent research suggests cave art is neither simply 'art for art's sake' nor 'hunting magic', rather a representation of entoptic phenomena associated with hallucinations during altered or trance states of consciousness. These images are common to modern and prehistoric humans all over the world, and can be readily found in contemporary art. (see also some further reading, cool entoptic Kutie Catcher, AskMe)
posted by MetaMonkey on Jan 29, 2006 - 13 comments