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cognitive neuroscience with v.s. ramachandran - what studying patients with brain disorders (phantom limbs, synesthesia, autism) reveals about being uniquely human: http://video.google.com/videoplay?docid=-4684607596399338611
international relations theory with andrew bacevich - why a longtime conservative and west point graduate opposes the american commitment to global military supremacy: http://video.google.com/videoplay?docid=1260516895818511114
combinatorial mathematics with stephen wolfram - how complex systems like the universe can originate from simple computations that're fundamentally undecidable: http://www.youtube.com/watch?v=_eC14GonZnU