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Hello Nature readers, Today we delve into the genome’s ‘dark matter’, discover a principal investigator who sent mercenaries to save her PhD student from ISIS and boggle at the best science photos of the year. Thousands of brain samples were analysed for genetic links to mental illness. (Volker Steger/Science Photo Library) ‘Buried’ genetic networks linked to mental illness The first findings from the most comprehensive genomic analysis ever undertaken of the human brain are revealing the roots of brain conditions such as schizophrenia and autism spectrum disorder. Among the discoveries are elements buried in the genome’s ‘dark matter’ — regions of DNA that do not code for proteins — that seem to regulate gene expression. “We’re not claiming in the remotest way to have figured out the underlying mechanism of these diseases, or how you would go
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