Dean Burnett is a neuroscientist, blogger, sometimes-comedian and author. He lives in Cardiff, and is currently an honorary research fellow at the Cardiff University Psychology School. His previous books, including The Idiot Brain, The Happy Brain and Psycho-Logical, have been international bestsellers and have sold in twenty-seven countries. Burnett is a regular columnist for the BBC Science Focus Magazine and hosts the podcast Why Does This Thing Exist? with Simon Feeley; he previously wrote the science column 'Brain Flapping' for The Guardian, which was read over sixteen million times.