Antonio Damasio: The Quest to Understand Consciousness
Every morning we wake up and regain consciousness -- that is a marvelous fact -- but what exactly is it that we regain? Neuroscientist Antonio Damasio uses this simple question to give us a glimpse into how our brains create our sense of self.
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The True Cost of Oil: Garth Lenz
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Creation of a distant world.
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Lucianne Walkowicz explains the importance of preserving our dark night sky from the perils of light pollution and other lesser-known factors.
Optical Illusion: Perspective is Everything
Definition of "illusion": something that deceives by producing a false or misleading impression of reality.
Carl Honore: In Praise of Slowness
MIT professor Neil Gershenfeld talks about his Fab Lab -- a low-cost lab that lets people build things they need using digital and analog tools. It's a simple idea with powerful results.