As both my parents had strokes towards the ends of their lives, a remarkable TED talk caught my eye. Recently Jill Bolte Taylor, brain scientist, had a stroke which she was able to analyse as it happened. Her story, from this year’s TED event at Monterey, affirms powerfully the concept of the brain as a powerful self-organising structure, along with some fascinating workshop manual information about what Woody Allen called his “second favourite organ.”