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New Scientist Event Instant Expert— How Your Brain Works Saturday, 20 May 2017from 10:00 to 17:00 London, United Kingdom      Ever wondered how your brain works? How that stuff in your head enables you to see, hear and think about the world around you, make decisions and act on them? Join six leading scientists to explore what we know about 4fcthe most difficult kilo of matter in the universe”.      The day will be chaired by psychologist and presenter of BBC Radio 4’s All in the mirtd，Claudia Hammond.    ’ Overview:     The brain has long been a source of f检验下面各题，对的打√，错的打×．