How do we learn complex tasks like playing the piano? Why can we remember things better after a good night’s sleep? And why do people – and fruit flies – drink again after the hangover from hell? The answers are all in your genes. Plus, why large-scale searches for so-called “genes for schizophrenia” and other psychiatric diseases are turning out to be trickier than we thought, and a gene of the month with a touch of Scottish – or maybe Hollywood – spirit.

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